raise on not authenticated

[magland]

This PR implements the raise_on_not_authenticated option in _authenticate_gui_request

[codecov-commenter]

Codecov Report

Attention: 5 lines in your changes are missing coverage. Please review.

Comparison is base (97a0244) 80.82% compared to head (a4ef34b) 80.79%. Report is 5 commits behind head on main.

Files	Patch %	Lines
...i_helpers/routers/gui/_authenticate_gui_request.py	86.95%	3 Missing :warning:
...thon/dendro/api_helpers/routers/gui/file_routes.py	66.66%	1 Missing :warning:
python/dendro/client/_interim/NwbSorting.py	0.00%	1 Missing :warning:

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #68 +/- ## ========================================== - Coverage 80.82% 80.79% -0.03% ========================================== Files 62 62 Lines 3577 3593 +16 ========================================== + Hits 2891 2903 +12 - Misses 686 690 +4 ``` | [Flag](https://app.codecov.io/gh/flatironinstitute/dendro/pull/68/flags?src=pr&el=flags&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=flatironinstitute) | Coverage Δ | | |---|---|---| | [unittests](https://app.codecov.io/gh/flatironinstitute/dendro/pull/68/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=flatironinstitute) | `80.79% <84.84%> (-0.03%)` | :arrow_down: | Flags with carried forward coverage won't be shown. [Click here](https://docs.codecov.io/docs/carryforward-flags?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=flatironinstitute#carryforward-flags-in-the-pull-request-comment) to find out more.

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