Apply glossary edits directly to translated subtitles and reload the active track. Keep terms with their originating episode, preserve existing translations, and clear stale episode groups with glossary entries.
- Add AppMenu and AppMenuItem so menu labels, mnemonics and shortcuts render consistently under org.kde.union
- Move the translation glossary into GlossaryDialog with add, remove and clear-all actions
- Regroup the translation preset and instructions settings layout
tri