* feat: add capitalize extension for string and apply it in emoji picker header and icon picker
* fix: adjust tooltip height calculation
* feat: add Streamline open source icons notice and link
* feat: enhance heading toolbar item to toggle heading level and cancel on same level selection
* feat: use home-3 as default space icon
* feat: use the first character of space name as icon if icon was removed
* chore: update hover effect for delete workspace button
* chore: optimize space icon on mobile
* fix: adjust chat ui on mobile
* fix: adjust default space icon on mobile
* 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