ref #6932 Migrate bulk editor handlers and add annotation merge support
ref #6932 Migrate bulk editor handlers (part I)
ref #6932 Migrate bulk context menu (non-functional)
ref #6932 Migrate bulk editor (non-stable)
ref #6598 migrate/remove open handlers
ref #6910 Migrate referencing objects view
fix #6579 Add missing menu separators
fix #6587 Correctly order "Window" menu
ref #4611 l10n for Admin menu
ref #6566 Add CoreExpression to admin menu items
ref #6566 Initial import of taxeditor.workbench plugin - moved general menu contributions to this plugin