Dash improvements to mycroft plasmoid
- Dashboard activation when mycroft is disabled or when conversation area is empty
- Fix: Card settings
- Fix: Dashboard respects Dash/Cards enable/disable settings accordingly falls back to legacy disclaimer
- Rework: Cards menu look and feel to match system theme and use theme icons
- Added: Seperate menu enteries for seperate cards in context to the card, cards can be individually removed or completely disabled from the card menu itself