[Feature Request]: Add new grouping options for nodes in node library

[christian-byrne]

Is there an existing issue for this?

• [X] I have searched the existing issues and checked the recent builds/commits

What would your feature do ?

This feature would add an option to change the way nodes are grouped in the node library sidebar.

Proposed workflow

1. Open the node library sidebar
2. Click a button similar to how the sorting is changed to alphabetical.
3. The button toggles the grouping to change from category-based grouping to source->category or just source grouping

Additional information

Example pictures:

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