Experimental nodes table

[AnniekStok]

A first attempt at having an interactive table widget in addition to the tree view. Right now it is a simple table view of all nodes and their features, with mirrored click behavior for selecting, appending, and centering nodes.
Discussed in #325. The table order is currently not changed by the selection (it is actually tricky because it would 'jump' while you are trying to select additional nodes).

[codecov-commenter]

Codecov Report

❌ Patch coverage is 74.82014% with 70 lines in your changes missing coverage. Please review.
✅ Project coverage is 85.37%. Comparing base (4bdc866) to head (8184610).

Files with missing lines	Patch %	Lines
.../data_views/views/tree_view/custom_table_widget.py	72.31%	67 Missing ⚠️
...er/data_views/views/tree_view/tree_widget_utils.py	86.36%	3 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #339      +/-   ##
==========================================
- Coverage   86.08%   85.37%   -0.71%     
==========================================
  Files          52       53       +1     
  Lines        4313     4569     +256     
==========================================
+ Hits         3713     3901     +188     
- Misses        600      668      +68     

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[cmalinmayor]

As discussed:

• love it! 🎉
• need to add selection keybinds now that they are merged to main
• next steps would likely be filtering, but we merge this first and make new PR