IllegalStateException in ChangesetQuery.forCurrentUser

[taylor.smock]

Steps to reproduce:
1) Ensure that you are not logged in. If so either log out or reset JOSM.
2) Restart JOSM
3) Download an area
4) Make a change
5) Attempt to upload

This is most likely a regression from r18283 .

Revision:18291
Is-Local-Build:true
Build-Date:2021-10-26 09:10:16

Identification: JOSM/1.5 (18291 SVN en) Mac OS X 11.5
OS Build number: macOS 11.6 (20G165)
Memory Usage: 3718 MB / 4096 MB (2299 MB allocated, but free)
Java version: 11.0.11+9, AdoptOpenJDK, OpenJDK 64-Bit Server VM
Look and Feel: com.apple.laf.AquaLookAndFeel
Screen: Display 188945233 1920×1080 (scaling 1.00×1.00) Display 188945231 1920×1080 (scaling 1.00×1.00) Display 69733382 1680×1050 (scaling 2.00×2.00)
Maximum Screen Size: 1920×1080
Best cursor sizes: 16×16→16×16, 32×32→32×32
System property file.encoding: UTF-8
System property sun.jnu.encoding: UTF-8
Locale info: en_US
Numbers with default locale: 1234567890 -> 1234567890
VM arguments: [-agentlib:jdwp=transport=dt_socket,address=127.0.0.1:61297,suspend=y,server=n, -javaagent:/Users/tsmock/Library/Caches/JetBrains/IntelliJIdea2021.2/groovyHotSwap/gragent.jar, -javaagent:/Users/tsmock/Library/Caches/JetBrains/IntelliJIdea2021.2/captureAgent/debugger-agent.jar, -Dfile.encoding=UTF-8]
Program arguments: [--download=39.0637818,-108.5670233,39.0660809,-108.5620022]
Dataset consistency test: No problems found

Plugins:
+ Mapillary (2.0.0-alpha.38)
+ apache-commons (35524)
+ apache-http (35589)
+ jna (35662)

Last errors/warnings:
- 00003.480 W: Update plugins - You updated your JOSM software. To prevent problems the plugins should be updated as well.  Update plugins now?
- 00046.275 E: Unknown detection "object--traffic-light--pedestrians-back"
- 00046.418 E: Unknown detection "object--traffic-light--pedestrians-back"
- 00053.883 E: Unknown detection "marking--discrete--text--other"
- 00082.248 E: Unknown detection "object--traffic-light--pedestrians-side"
- 00082.249 E: Unknown detection "object--traffic-light--pedestrians-side"
- 01503.872 E: Handled by bug report queue: java.lang.IllegalStateException: anonymous user



=== REPORTED CRASH DATA ===
BugReportExceptionHandler#handleException:
No data collected.

Warning issued by: BugReportExceptionHandler#handleException

=== STACK TRACE ===
Thread: AWT-EventQueue-0 (24) of main
java.lang.IllegalStateException: anonymous user
	at org.openstreetmap.josm.io.ChangesetQuery.forCurrentUser(ChangesetQuery.java:76)
	at org.openstreetmap.josm.data.osm.ChangesetCache.refreshChangesetsFromServer(ChangesetCache.java:276)
	at org.openstreetmap.josm.gui.io.ChangesetManagementPanel.refreshChangesets(ChangesetManagementPanel.java:263)
	at org.openstreetmap.josm.gui.io.ChangesetManagementPanel.initLifeCycle(ChangesetManagementPanel.java:73)
	at org.openstreetmap.josm.gui.io.UploadDialog.initLifeCycle(UploadDialog.java:237)
	at org.openstreetmap.josm.actions.UploadAction.uploadData(UploadAction.java:244)
	at org.openstreetmap.josm.actions.UploadAction.actionPerformed(UploadAction.java:296)
	at java.desktop/javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:1967)
	at java.desktop/javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2308)
	at java.desktop/javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:405)
	at java.desktop/javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:262)
	at java.desktop/javax.swing.plaf.basic.BasicButtonListener.mouseReleased(BasicButtonListener.java:279)
	at java.desktop/java.awt.AWTEventMulticaster.mouseReleased(AWTEventMulticaster.java:297)
	at java.desktop/java.awt.Component.processMouseEvent(Component.java:6635)
	at java.desktop/javax.swing.JComponent.processMouseEvent(JComponent.java:3342)
	at java.desktop/java.awt.Component.processEvent(Component.java:6400)
	at java.desktop/java.awt.Container.processEvent(Container.java:2263)
	at java.desktop/java.awt.Component.dispatchEventImpl(Component.java:5011)
	at java.desktop/java.awt.Container.dispatchEventImpl(Container.java:2321)
	at java.desktop/java.awt.Component.dispatchEvent(Component.java:4843)
	at java.desktop/java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4918)
	at java.desktop/java.awt.LightweightDispatcher.processMouseEvent(Container.java:4547)
	at java.desktop/java.awt.LightweightDispatcher.dispatchEvent(Container.java:4488)
	at java.desktop/java.awt.Container.dispatchEventImpl(Container.java:2307)
	at java.desktop/java.awt.Window.dispatchEventImpl(Window.java:2772)
	at java.desktop/java.awt.Component.dispatchEvent(Component.java:4843)
	at java.desktop/java.awt.EventQueue.dispatchEventImpl(EventQueue.java:772)
	at java.desktop/java.awt.EventQueue$4.run(EventQueue.java:721)
	at java.desktop/java.awt.EventQueue$4.run(EventQueue.java:715)
	at java.base/java.security.AccessController.doPrivileged(Native Method)
	at java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:85)
	at java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:95)
	at java.desktop/java.awt.EventQueue$5.run(EventQueue.java:745)
	at java.desktop/java.awt.EventQueue$5.run(EventQueue.java:743)
	at java.base/java.security.AccessController.doPrivileged(Native Method)
	at java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:85)
	at java.desktop/java.awt.EventQueue.dispatchEvent(EventQueue.java:742)
	at java.desktop/java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:203)
	at java.desktop/java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:124)
	at java.desktop/java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:113)
	at java.desktop/java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:109)
	at java.desktop/java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:101)
	at java.desktop/java.awt.EventDispatchThread.run(EventDispatchThread.java:90)