[[ Bug 12930 ]] Replace stack parentwindow with more robust parentstack object handle.
[[ Bugfix 12829 ]] Moved Mac installer payload to resources folder. Fixes codesigning issues.
Merge remote-tracking branch 'michael/bugfix-12829' into bugfix-12829
Merge branch 'bugfix-12829' into develop
Merge remote-tracking branch 'ian/bugfix-12930' into bugfix-12930
Merge branch 'bugfix-12930' into develop