Workspace pages and persistence

[erri120]

Part of #674.

[codecov]

Codecov Report

Merging #731 (d0a9ff1) into main (4b9aabc) will increase coverage by 64.16%.
Report is 2 commits behind head on main.
The diff coverage is 9.75%.

@@            Coverage Diff            @@
##           main     #731       +/-   ##
=========================================
+ Coverage      0   64.16%   +64.16%     
=========================================
  Files         0      578      +578     
  Lines         0    17740    +17740     
  Branches      0     1242     +1242     
=========================================
+ Hits          0    11383    +11383     
- Misses        0     6035     +6035     
- Partials      0      322      +322     

Flag	Coverage Δ
Linux	63.37% <9.75%> (?)
Windows	63.36% <9.75%> (?)
clean_environment_tests	64.14% <9.75%> (?)

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

Files	Coverage Δ
src/NexusMods.App.UI/InjectedViewLocator.cs	67.74% <100.00%> (ø)
...p.UI/LeftMenu/Items/LaunchButtonDesignViewModel.cs	48.00% <ø> (ø)
...ods.App.UI/LeftMenu/Items/LaunchButtonViewModel.cs	42.85% <ø> (ø)
src/NexusMods.App.UI/Services.cs	98.38% <100.00%> (ø)
src/NexusMods.App.UI/Startup.cs	85.71% <ø> (ø)
src/NexusMods.App.UI/TypeFinder.cs	100.00% <100.00%> (ø)
...rc/NexusMods.App.UI/Windows/MainWindowViewModel.cs	72.22% <ø> (ø)
...em/PanelTabHeader/PanelTabHeaderDesignViewModel.cs	0.00% <ø> (ø)
.../NexusMods.App.UI/Controls/Dummy/DummyViewModel.cs	0.00% <0.00%> (ø)
src/NexusMods.App/Program.cs	0.00% <0.00%> (ø)
... and 23 more

... and 545 files with indirect coverage changes