Clean up action types

[marlo-longley]

In the process of writing this Wiki documentation page, I realized that several action types were undispatched.
https://github.com/ProjectMirador/mirador/wiki/Architecture-overview-4:-Mirador-state-changes-for-plugin-authors

• Remove un-dispatched setWorkspaceFullscreen action
  • this hasn't been dispatched since https://github.com/ProjectMirador/mirador/pull/3605/files
• Remove un-dispatched ADD_MANIFEST action type
• Remove un-dispatched window actions
• Remove un-dispatched CLEAR_ACCESS_TOKEN_QUEUE from action types

Happy to discuss, but cleaning up unused actions will make the code easier to understand.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 95.1%. Comparing base (6a4aa4e) to head (12fc0d0).

Additional details and impacted files

@@           Coverage Diff           @@
##            main   #4186     +/-   ##
=======================================
- Coverage   95.2%   95.1%   -0.1%     
=======================================
  Files        326     326             
  Lines      16192   16165     -27     
  Branches    2554    2545      -9     
=======================================
- Hits       15413   15364     -49     
- Misses       774     796     +22     
  Partials       5       5             

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