Workspace Tabs

[erri120]

Part of #674 (after #688, and #704). Closes #676.

TODO:

• virtualize/cache views
• Adds tabs to panels.
• Adds missing icons.
• Some styling.

out.mp4

[github-actions]

This PR conflicts with main. You need to rebase the PR before it can be merged.

[github-actions]

This PR doesn't conflict with main anymore. It can be merged after all status checks have passed and it has been reviewed.

[codecov]

Codecov Report

Merging #708 (373ee24) into main (c5d7ad4) will decrease coverage by 1.11%.
Report is 3 commits behind head on main.
The diff coverage is 22.62%.

@@            Coverage Diff             @@
##             main     #708      +/-   ##
==========================================
- Coverage   64.86%   63.76%   -1.11%     
==========================================
  Files         660      669       +9     
  Lines       19395    19788     +393     
  Branches     1293     1305      +12     
==========================================
+ Hits        12580    12617      +37     
- Misses       6489     6842     +353     
- Partials      326      329       +3     

Flag	Coverage Δ
Linux	63.09% <22.62%> (-1.14%)	⬇️
Windows	62.98% <22.62%> (-1.11%)	⬇️
clean_environment_tests	63.74% <22.62%> (-1.11%)	⬇️
network_tests	?

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

Files	Coverage Δ
src/NexusMods.App.UI/Services.cs	98.13% <100.00%> (+0.07%)	⬆️
src/NexusMods.App.UI/Theme/IconStyles.xaml	98.36% <100.00%> (+0.58%)	⬆️
src/NexusMods.App.UI/Theme/TextBlockStyles.xaml	99.46% <100.00%> (ø)
src/NexusMods.App.UI/WorkspaceSystem/IconUtils.cs	100.00% <100.00%> (ø)
src/NexusMods.App.UI/WorkspaceSystem/MathUtils.cs	100.00% <100.00%> (ø)
...eSystem/Workspace/WorkspacePlaygroundView.axaml.cs	0.00% <ø> (ø)
...ceSystem/Workspace/WorkspacePlaygroundViewModel.cs	0.00% <0.00%> (ø)
...rc/NexusMods.App.UI/Controls/Dummy/DummyView.axaml	0.00% <0.00%> (ø)
...paceSystem/Workspace/WorkspacePlaygroundView.axaml	0.00% <0.00%> (ø)
...UI/WorkspaceSystem/Workspace/WorkspaceViewModel.cs	0.00% <0.00%> (ø)
... and 14 more

... and 4 files with indirect coverage changes