Add a duplicate/copy button for each action in the autos on the PathPlanner client

[jasonli0616]

Create a button on the PathPlanner GUI to duplicate an action (a path, command, command group).

Implementation of #652

[codecov]

Codecov Report

Attention: Patch coverage is 53.33333% with 14 lines in your changes are missing coverage. Please review.

Project coverage is 85.41%. Comparing base (5aa0063) to head (fd84a0c).

Files	Patch %	Lines
...or/tree_widgets/commands/command_group_widget.dart	22.22%	14 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #653      +/-   ##
==========================================
- Coverage   85.55%   85.41%   -0.15%     
==========================================
  Files          77       78       +1     
  Lines        6737     6767      +30     
==========================================
+ Hits         5764     5780      +16     
- Misses        973      987      +14     

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[jasonli0616]

Example of usage (duplicating paths, commands, groups) in video below:

Screen.Recording.2024-03-18.at.9.32.14.PM.mov

[mjansen4857]

Bit of a nitpick but can you move the duplicate button for command groups to be next to the delete button so its the same order as other commands?

[jasonli0616]

Yep! Change has been made