ref #6596 Replace CTRL+S keybinding with our own binding
ref #6596 Enable "Save" icon when specimen editor is dirty
ref #6566 Re-enable "Edit" menu
fix #6587 Correctly order "Window" menu
Change toolbar ID
ref #6566 Add generic "open part" handler to model fragment
try to add a new item to admin menu
ref #6566 Sort main menu
ref #6566 Migrate help menu
ref #6566 Initial import of taxeditor.workbench plugin - moved general menu contributions to this plugin