* fix: remove the scrolling conflict of the icon picker on macOS
* fix: the icon is not supported in sites tab
* feat: keep the icon panel open after click ramdom
* feat: the type of selector opened depends on the already set icon or emoji
* feat: the skin tone of the random emoji follows the selected skin ton
* fix: unit testing error
* feat: refactor space icon picker
* chore: optimize the _loadIconGroups function
* feat: refactor emoji picker
* feat: integrate icon picker into flowy_icon_emoji_picker
* feat: support searching icon
* feat: support displaying new icons
* fix: flutter analyze
* chore: join lines
* feat: support space icon in view title
* feat: support customzing icon when creating space or managing space
* feat: customize the emoji picker and icon picker padding
* feat: shuffle icon
* fix: expand popup menu font size
* fix: flutter integration test