Ignore doesn't properly work for "Presets do not contain property key"

[GerdP]

What steps will reproduce the problem?

1 Load attached sample.osm

2. run validator with "other" enabled, this should produce three messages
3. Click Ignore for "Presets do not contain property key (2)"
4. Click "Whole Group" in popup , see that one item remains
5. Run Validator again

What is the expected result?

no change in step 5

What happens instead?

tree is empty

Please provide any additional information below. Attach a screenshot if possible.

Problem is caused by typo in TagChecker.

Build-Date:2019-03-09 16:50:42
Revision:14858
Is-Local-Build:true

Identification: JOSM/1.5 (14858 SVN en) Windows 10 64-Bit
OS Build number: Windows 10 Home 1803 (17134)
Memory Usage: 884 MB / 1753 MB (351 MB allocated, but free)
Java version: 1.8.0_191-b12, Oracle Corporation, Java HotSpot(TM) 64-Bit Server VM
Screen: \Display0 1920x1080
Maximum Screen Size: 1920x1080
VM arguments: [-agentlib:jdwp=transport=dt_socket,suspend=y,address=localhost:51193, -ea, -Dfile.encoding=UTF-8]
Program arguments: [--debug]
Dataset consistency test: No problems found

Plugins:
+ OpeningHoursEditor (34867)
+ apache-commons (34506)
+ buildings_tools (34904)
+ continuosDownload (82)
+ download_along (34869)
+ ejml (34389)
+ geotools (34513)
+ jaxb (34678)
+ jts (34524)
+ o5m (34867)
+ opendata (34911)
+ pbf (34867)
+ poly (34867)
+ reltoolbox (34867)
+ reverter (34867)
+ undelete (34883)
+ utilsplugin2 (34915)

Last errors/warnings:
- W: No configuration settings found.  Using hardcoded default values for all pools.
- W: Region [TMS_BLOCK_v2] Resetting cache

[GerdP]

In 14859/josm:

fix #17438: Use constant INVALID_KEY for error "Presets do not contain property key"
instead of INVALID_VALUE (very old typo)

[GerdP]

In 14869/josm:

see #17438: errors with code INVALID_KEY are NOT fixable