Fix stale selectedIds reference left after mPopupSelectedIds rename

Two uses of the old local 'selectedIds' variable in the Groups submenu
('Set selection as members') were not updated when the variable was renamed
to mPopupSelectedIds in the group-creation race fix.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

Merge pull request #6 from lnd3/version-0.1.6

Version 0.1.6

Merge pull request #5 from lnd3/version-0.1.5

Upcoming version 0.1.5

Fix an issue with put_time expecting non adjusted tm struct.

Update ldeps.

Merge pull request #1 from lnd3/deps/add-deps

Integrate common dependencies

Version 0.1.1

Fix cmake config.