Layer numbers are back to front

[gokehufu]

What steps will reproduce the problem?

1. Create more than one layer

What is the expected result?

Numbers increase going down list

What happens instead?

Numbers decrease going down list

See screenshot of layer numbers: ​https://ibb.co/n69Hw4w
Layer numbers are the other way around in the dialog that pops up after shift-a: ​https://ibb.co/F0dMSyz

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

Relative:URL: ^/trunk
Repository:UUID: 0c6e7542-c601-0410-84e7-c038aed88b3b
Last:Changed Date: 2019-09-29 23:59:43 +0200 (Sun, 29 Sep 2019)
Revision:15390
Build-Date:2019-09-29 22:01:37
URL:https://josm.openstreetmap.de/svn/trunk

Identification: JOSM/1.5 (15390 en_AU) Linux Ubuntu 19.04
Memory Usage: 902 MB / 8020 MB (450 MB allocated, but free)
Java version: 11.0.4+11-post-Ubuntu-1ubuntu219.04, Ubuntu, OpenJDK 64-Bit Server VM
Screen: :0.0 3840x2160
Maximum Screen Size: 3840x2160
Java package: openjdk-11-jre:amd64-11.0.4+11-1ubuntu2~19.04
Java ATK Wrapper package: libatk-wrapper-java:all-0.33.3-21
fonts-noto: fonts-noto:-
VM arguments: [-Djosm.restart=true, -Djava.net.useSystemProxies=true]
Dataset consistency test: No problems found

Plugins:
+ ImportImagePlugin (35125)
+ apache-commons (35092)
+ ejml (35122)
+ geojson (124)
+ geotools (35154)
+ imagery-xml-bounds (35100)
+ jaxb (35014)
+ jts (35122)
+ log4j (34908)
+ measurement (35051)
+ opendata (35156)
+ openqa (1557250801)
+ poly (34991)
+ pt_assistant (34678)
+ reverter (35084)
+ tag2link (35149)
+ todo (30306)
+ utilsplugin2 (35098)

Last errors/warnings:
- E: Failed to locate image 'https://www.spatial.nsw.gov.au/__data/assets/file/0010/210520/favicon.ico'
- E: Failed to locate image 'https://www.spatial.nsw.gov.au/__data/assets/file/0010/210520/favicon.ico'
- E: Failed to locate image 'https://www.spatial.nsw.gov.au/__data/assets/file/0010/210520/favicon.ico'
- E: Failed to locate image 'https://www.spatial.nsw.gov.au/__data/assets/file/0010/210520/favicon.ico'
- E: Failed to locate image 'https://www.spatial.nsw.gov.au/__data/assets/file/0010/210520/favicon.ico'
- E: Failed to locate image 'https://www.spatial.nsw.gov.au/__data/assets/file/0010/210520/favicon.ico'
- E: Failed to locate image 'https://www.spatial.nsw.gov.au/__data/assets/file/0010/210520/favicon.ico'
- E: Failed to locate image 'https://www.spatial.nsw.gov.au/__data/assets/file/0010/210520/favicon.ico'
- E: Failed to locate image 'https://www.spatial.nsw.gov.au/__data/assets/file/0010/210520/favicon.ico'
- E: Failed to locate image 'https://www.spatial.nsw.gov.au/__data/assets/file/0010/210520/favicon.ico'