Version 1.11: When configured to use all available sub-boards, still don't allow choosing

a sub-board that has polls disabled.  This fixes an issue where SlyVote was showing all
available message groups but some could be empty due to having no sub-boards that allow polls.
14 jobs for 247_slyvote_msggroup_undefined in 39 minutes and 49 seconds (queued for 5 minutes and 9 seconds)
Status Job ID Name Coverage
  Build
passed #17480
FreeBSD
jsdoor-freebsd

00:08:48

passed #17481
Linux
jsdoor-linux

00:10:00

passed #17483
FreeBSD
jsdoor-windows

00:07:10

passed #17475
FreeBSD
sbbs-freebsd

00:09:46

passed #17470
Linux
sbbs-linux

00:19:08

passed #17473
Windows
sbbs-windows

00:05:29

passed #17482
FreeBSD
sexpots-freebsd

00:00:12

passed #17471
Linux
sexpots-linux

00:04:56

passed #17474
Windows
sexpots-windows

00:00:42

passed #17478
FreeBSD
syncdraw-freebsd

00:00:26

passed #17479
Linux
syncdraw-linux

00:02:30

passed #17476
FreeBSD
syncterm-freebsd

00:01:24

passed #17472
Linux
syncterm-linux

00:03:58

passed #17477
FreeBSD
syncterm-windows

00:02:29