lukstbit

This PR fixes some bugs related to code around the `Rate` menu item from the help/support dialogs. Changes: - removes the code related to `Rate` from `HelpDialog.createInstance()` because the option...

This PR enables the new backend for viewing and changing notetypes. With the new implementation: - add new activity for new backend implementation, ManageNotetypes(the old activity ModelBrowser would be deleted...

## Purpose / Description Ran through the public api methods of the API module and checked the nullability of the methods and made some changes. Each commit features a method...

When the user initiates a sync a Snackbar is shown with the text _"Collection synchronized"_ while the media actually goes in the background(there's the notification but that could easily be...

[BUG]: Null DeckPicker reference in StudyOptionsFragment on tablets

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### Checked for duplicates? - [x] This issue is not a duplicate ### Does it also happen in the desktop version? - [ ] This bug does not occur in...

## Purpose / Description After going to CardTemplateEditor the current card being edited is fetched again from the collection(this makes the card to have a null Note). After making changes...

Add new filtered deck options implementation

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## Purpose / Description Initially, while working on #18875, I implemented the filtered deck related part outside of the (old)_FilteredDeckOptions_ like _CreateDeckDialog_ was doing. After thinking about this I decided...