id	summary	reporter	owner	description	type	status	priority	milestone	component	version	resolution	keywords	cc
21385	Multiselect greyed out when the appropriate tag has a single known value	gaben	team	"==== What steps will reproduce the problem?
1. Change JOSM locale to something other than English
1. Add a restaurant
2. Choose only one cuisine from the multiselect menu in the preset editor
3. Apply
4. Reopen the editor

==== What is the expected result?
The multiselect is usable.

==== What happens instead?
It's greyed out, not usable.

==== Please provide any additional information below. Attach a screenshot if possible.
Regression from r18221.

Interestingly if you add two or more **known** tags, it works.
{{{
URL:https://josm.openstreetmap.de/svn/trunk
Repository:UUID: 0c6e7542-c601-0410-84e7-c038aed88b3b
Last:Changed Date: 2021-09-12 03:30:18 +0200 (Sun, 12 Sep 2021)
Build-Date:2021-09-12 01:31:50
Revision:18218
Relative:URL: ^/trunk

Identification: JOSM/1.5 (18218 hu) Windows 10 64-Bit
OS Build number: Windows 10 Pro for Workstations 2009 (19043)
Memory Usage: 765 MB / 7266 MB (359 MB allocated, but free)
Java version: 1.8.0_301-b09, Oracle Corporation, Java HotSpot(TM) 64-Bit Server VM
Look and Feel: com.sun.java.swing.plaf.windows.WindowsLookAndFeel
Screen: \Display0 1920×1200 (scaling 1.00×1.00)
Maximum Screen Size: 1920×1200
Best cursor sizes: 16×16→32×32, 32×32→32×32
System property file.encoding: Cp1250
System property sun.jnu.encoding: Cp1250
Locale info: hu_HU
Numbers with default locale: 1234567890 -> 1234567890
Dataset consistency test: No problems found
}}}
"	defect	closed	normal	21.10	Core		fixed	template_report regression multiselect