* feat: open apps in tabs
Closes: #2942 Relates: #2312
* fix: resolve comments
* fix: unfocus editor to close toolbar on open/change tab
* test: abstract open in a new tab helper
* chore: remove unused fields
* chore: rewrite date logic
* chore: apply suggestions from Alex
* chore: add space in date format
* chore: re-add error handling in apply-changeset
* chore: update color scheme for dark mode
* chore: update dark color scheme
1. update the background color for side bar, surface and divider in dark mode
2. comment out dandelion and lavender theme temporarily
* chore: update top bar BGcolor and icon color
* chore: update text color
* chore: update share button color on the top bar
* chore: add tooltip theme data in global
* chore: add hint and tertiary color and update font size pop up menu style
* chore: update all the semibold texts color
* chore: update all the hover color
* chore: update setting BG color
* chore: add FlowySvg to get the icon color through current theme
1. Add FlowySvg widget
2. Update all the icons those have hover effect to FlowySvg
3. Recover shader1 for the text color when it is in hovered
* chore: update side bar UI
1. Update AddButton hover style
2. Update MenuAppHeader icon color and its hover style
3. Update NewAppButton(New page) font color
4. Update MenuUser username font color
* chore: update SettingsDialog style in dart mode
1. Update title and text color
2. Update the hover color on FlowyTextButton
3. Update the LanguageSelectorDropdown background color and hover enter color
* chore: update NewAppButton icon in dark mode
* chore: update default icon color
* chore: rename the hover color and update ViewSectionItem hover color from default theme color
* chore: add question bubble background color
* chore: update cover image button color
* chore: remove fixed icon color on _AddCoverButton
* chore: put Dandelion and Lavender color scheme back with basic modification
* fix: delete unused import files and deprecated field
* chore: add comma and put color back
* chore: update AppFlowyPopover background color
* chore: remove the hover color on primary and secondary button
* chore: update shadow color in dark mode
* chore: update SettingsMenuElement hover effect
* chore: update the text color in DropdownMenuItem
* refactor: rename structs
* chore: read database id from view
* chore: fix open database error because of create a database view for database id
* chore: fix tests
* chore: rename datbase id to view id in flutter
* refactor: move grid and board to database view folder
* refactor: rename functions
* refactor: move calender to datbase view folder
* refactor: rename app_flowy to appflowy_flutter
* chore: reanming
* chore: fix freeze gen
* chore: remove todos
* refactor: view process events
* chore: add link database test
* chore: just open view if there is opened database
