Azoth Acetamide: fix #1033
Azoth Acetamide: fix #1034
Blogique: fix invalid signal and fix ShowProgress call in submit method
Blogique Hestia: fix 1035
Core: keep tab icon along window moves.
Core: remove bar from widget on ToolbarGuard destruction.
Core: remove tab toolbar on tab removal.
Core: save toolbar parents and re-set them on tab removal.
Core: remove manipulation with toolbar visibility
Monocle Postrus: FindLibSpectre fix for upcoming cmake.
Core: lock file mutex before removing files from cache.
Core: better NetworkDiskCache::expire() method.

Don't start expiration on every cache operation.
Azoth: use proper icon for voice calls.
Core: don't show actions with empty text in popup menu.
Core: change the tab before removing the tab widget.
Core: fixed tabs closing segfault.
Azoth: fixed autoscrolling.

More tolerable to huge scroll diffs.
Core: keep track of forcefully closed unassociated docks as well.
Core: pass DockManager to DockToolbarManager.
Core: DockManager::GetForcefullyClosed().