* Proof-of-concept for showing card tags (#1626)
* Resolved most PR comments:
- Added a snackbar notification when clicking tag button
- Replaced magnifying glass icon with new tag icon
- Button now contains a span w/icon, to use text color
- Removed unnecessary attributes from button
- Backend now returns full noteInfos object
- Frontend now handles filtering tags
* Add options to show/hide tag button & filter tags
* Do not show tags button if, after filtering, we have zero tags.
* Change tags option to enums, optimize tags intersection check & fix code style.
* Update options-util.js to include new tag options.
* Fix wording on new tag setting.
* Add CSS to remove hidden buttons from the display layout.
* getAnkiNoteInfo extra parameter for additional info.
* Add new tag option to tests.
* Remove unnecessary changes related to anki tags option.
* Code style fixes.
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