Right clicking inside the todo plugin pane causes the selected item of the todo list to change

[watmildon]

What steps will reproduce the problem?

1. Add a few items to the todo list
2. Select the first item
3. Right click in the empty space below the last item

What is the expected result?

right click menu opens

What happens instead?

right click menu opens and the item selection changes to highlight the last item

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

Revision:18646
Build-Date:2023-01-30 15:15:00

Identification: JOSM/1.5 (18646 en) Windows 10 64-Bit
OS Build number: Windows 10 Pro 2009 (19045)
Memory Usage: 778 MB / 4088 MB (237 MB allocated, but free)
Java version: 17.0.6+10-LTS, Azul Systems, Inc., OpenJDK 64-Bit Server VM
Look and Feel: com.sun.java.swing.plaf.windows.WindowsLookAndFeel
Screen: \Display0 1440×2560 (scaling 1.00×1.00) \Display1 3840×2160 (scaling 1.50×1.50)
Maximum Screen Size: 3840×2560
Best cursor sizes: 16×16→48×48, 32×32→48×48
System property file.encoding: Cp1252
System property sun.jnu.encoding: Cp1252
Locale info: en_US
Numbers with default locale: 1234567890 -> 1234567890
VM arguments: [-Djpackage.app-version=1.5.18646, --add-modules=java.scripting,java.sql,javafx.controls,javafx.media,javafx.swing,javafx.web, --add-exports=java.base/sun.security.action=ALL-UNNAMED, --add-exports=java.desktop/com.sun.imageio.plugins.jpeg=ALL-UNNAMED, --add-exports=java.desktop/com.sun.imageio.spi=ALL-UNNAMED, --add-opens=java.base/java.lang=ALL-UNNAMED, --add-opens=java.base/java.nio=ALL-UNNAMED, --add-opens=java.base/jdk.internal.loader=ALL-UNNAMED, --add-opens=java.base/jdk.internal.ref=ALL-UNNAMED, --add-opens=java.desktop/javax.imageio.spi=ALL-UNNAMED, --add-opens=java.desktop/javax.swing.text.html=ALL-UNNAMED, --add-opens=java.prefs/java.util.prefs=ALL-UNNAMED, -Djpackage.app-path=%UserProfile%\AppData\Local\JOSM\JOSM.exe]
Dataset consistency test: No problems found

Plugins:
+ FastDraw (36057)
+ FixAddresses (36011)
+ MapRoulette (12)
+ apache-commons (36034)
+ apache-http (35924)
+ buildings_tools (36011)
+ conflation (0.6.9)
+ continuosDownload (105)
+ contourmerge (v0.1.9)
+ ejml (35924)
+ geotools (36028)
+ gridify (1606242219)
+ imagery_offset_db (35978)
+ jackson (36034)
+ javafx (36034)
+ jaxb (35952)
+ jna (36005)
+ jts (36004)
+ log4j (36034)
+ mapwithai (786)
+ opendata (36025)
+ reverter (36043)
+ tageditor (36011)
+ terracer (35978)
+ todo (122)
+ turnrestrictions (36011)
+ utilsplugin2 (36011)
+ wikipedia (605)

Map paint styles:
- https://josm.openstreetmap.de/josmfile?page=Styles/TigerReviewedNo&zip=1
+ %UserProfile%\Address Tags Validator - Highlight unaddressed
- https://josm.openstreetmap.de/josmfile?page=Styles/Modified&zip=1
- https://josm.openstreetmap.de/josmfile?page=Styles/AddressValidator&zip=1
+ https://josm.openstreetmap.de/josmfile?page=Styles/MapWithAI&zip=1
- https://josm.openstreetmap.de/josmfile?page=Styles/Coloured_Streets&zip=1
- https://josm.openstreetmap.de/josmfile?page=Styles/Admin_Boundaries&zip=1

Last errors/warnings:
- 00000.421 W: extended font config - overriding 'filename.Myanmar_Text=mmrtext.ttf' with 'MMRTEXT.TTF'
- 00000.424 W: extended font config - overriding 'filename.Mongolian_Baiti=monbaiti.ttf' with 'MONBAITI.TTF'
- 00002.521 E: java.security.KeyStoreException: Windows-ROOT not found. Cause: java.security.NoSuchAlgorithmException: Windows-ROOT KeyStore not available
- 00015.937 E: Failed to locate image 'MapWithAI'
- 12598.370 E: Invalid setting (Icon missing): org.openstreetmap.josm.plugins.fixAddresses.FixAddressesPreferences

[taylor.smock]

This is (roughly) the same behavior as exhibited by the selection toggle dialog.

This appears to be a problem with the list interface in Java.