* refactor data of `EditTagGroupView`
* lower case tags before saving because API is case-insensitive
* fix: "add new tag" `TextField` is not focused after adding the first tag (on both macOS and iOS)
* perf: improve symbol search performance
* improve layout and animation of symbol search
* fix: sort tags and remove duplicate tags
* fix: crash when open timeline for an empty tag group
* fix: revert concurrency code because performance issue at 1d3f271 is a false alarm
* add warning labels to help the users
* fix: state `tagGroup`
* fix: selecting symbol logic and warning labels
* refactor `EditTagGroupView.body`
* refactor warning labels
* Fix theme
* Move to its own folder
---------
Co-authored-by: Thomas Ricouard <ricouard77@gmail.com>
de83b8ec90