Remove Anki warning in frontend if Anki is connected later

[StephanAkkerman]

1. Description:

   • Problem:
     If you go to the website before Anki has been started it will show AnkiConnect is unavailable. If you start Anki afterwards the warning will not disappear even if you save the card to Anki

   • Solution:
     If the user opens the deck selection menu or creates a new deck and this happens successfully it should also remove the error message at the top

   • Prerequisites:

2. Tasks:

   • Check if Anki is connected when adding deck
   • Check if Anki is connected when selecting deck
   • Check if Anki is connected when pressing the reload button

3. Additional context