feat: hidden kanban groups

[richardshiue]

resolves #3818

Screen.Recording.2023-11-09.at.1.57.08.PM.mov

• show the unhidden groups in the right index (requires feat: allow inserting a new group at given index appflowy-board#19)
• implement reordering of hidden groups

PR Checklist

• My code adheres to AppFlowy's Conventions
• I've listed at least one issue that this PR fixes in the description above.
• I've added a test(s) to validate changes in this PR, or this PR only contains semantic changes.
• All existing tests are passing.

[codecov]

Codecov Report

Attention: 361 lines in your changes are missing coverage. Please review.

Comparison is base (50e6125) 61.70% compared to head (3784e4e) 10.87%.
Report is 4 commits behind head on main.

Additional details and impacted files

@@             Coverage Diff             @@
##             main    #3907       +/-   ##
===========================================
- Coverage   61.70%   10.87%   -50.84%     
===========================================
  Files         609      611        +2     
  Lines       28098    28353      +255     
===========================================
- Hits        17339     3082    -14257     
- Misses      10759    25271    +14512     

Flag	Coverage Δ
appflowy_flutter_integrateion_test	?
appflowy_flutter_unit_test	10.87% <15.25%> (-0.02%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

Files	Coverage Δ
...tabase_view/grid/application/grid_header_bloc.dart	68.57% <100.00%> (ø)
...ib/plugins/database_view/tar_bar/tab_bar_view.dart	0.00% <ø> (-92.69%)	⬇️
...er/lib/workspace/presentation/home/home_stack.dart	0.00% <ø> (-96.30%)	⬇️
.../database_view/grid/presentation/layout/sizes.dart	0.00% <0.00%> (-90.33%)	⬇️
...sentation/widgets/header/field_type_extension.dart	0.00% <0.00%> (-100.00%)	⬇️
...abase_view/board/application/group_controller.dart	73.68% <61.11%> (-4.32%)	⬇️
...s/database_view/board/presentation/board_page.dart	0.00% <0.00%> (-86.60%)	⬇️
...oard/presentation/widgets/board_column_header.dart	0.00% <0.00%> (-53.93%)	⬇️
...ns/database_view/board/application/board_bloc.dart	51.66% <41.93%> (-19.91%)	⬇️
...oard/presentation/widgets/board_hidden_groups.dart	0.00% <0.00%> (ø)

... and 407 files with indirect coverage changes

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