UI glitch in debug mode

[gaben]

What steps will reproduce the problem?

1. Prepare JOSM in IntelliJ
2. Debug the JAR file

What is the expected result?

JOSM UI works as usual.

What happens instead?

Weird UI glitches everywhere.

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

Relative:URL: ^/trunk
Repository:UUID: 0c6e7542-c601-0410-84e7-c038aed88b3b
Last:Changed Date: 2023-08-29 13:38:40 +0200 (Tue, 29 Aug 2023)
Revision:18822
Build-Date:2023-08-30 01:30:57
URL:https://josm.openstreetmap.de/svn/trunk

Identification: JOSM/1.5 (18822 hu) Linux Ubuntu 22.04.3 LTS
Memory Usage: 848 MB / 2476 MB (425 MB allocated, but free)
Java version: 17.0.8.1+1-Ubuntu-0ubuntu122.04, Private Build, OpenJDK 64-Bit Server VM
Look and Feel: javax.swing.plaf.metal.MetalLookAndFeel
Screen: :0.0 1912×1016 (scaling 1.00×1.00)
Maximum Screen Size: 1912×1016
Best cursor sizes: 16×16→16×16, 32×32→32×32
Environment variable LANG: hu_HU.UTF-8
System property file.encoding: UTF-8
System property sun.jnu.encoding: UTF-8
Locale info: hu_HU
Numbers with default locale: 1234567890 -> 1234567890
Desktop environment: ubuntu:GNOME
Java package: openjdk-17-jre:amd64-17.0.8.1+1~us1-0ubuntu1~22.04
Java ATK Wrapper package: libatk-wrapper-java:all-0.38.0-5build1
fonts-noto: fonts-noto:-
VM arguments: [-Djosm.cache=<josm.cache>, -Djosm.pref=<josm.pref>, -Djosm.userdata=<josm.userdata>, -agentlib:jdwp=transport=dt_socket,server=n,suspend=y,address=127.0.0.1:37241, -Dfile.encoding=UTF-8, -Duser.country=HU, -Duser.language=hu, -Duser.variant]
Program arguments: [--debug, --load-preferences=file:<josm.pref>erences-init.xml]
Dataset consistency test: No problems found

Plugins:
+ libphonenumber (8.13.22)
+ phonenumber (1.0.4)