Remove replanning & infer auto starting pose from first path

[mjansen4857]

Paths will now only re-generate if they do not have a starting state or the robot does not match the starting state

[codecov]

Codecov Report

Attention: Patch coverage is 58.58586% with 41 lines in your changes missing coverage. Please review.

Project coverage is 84.12%. Comparing base (aedff07) to head (5aee8cf).
Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
lib/widgets/editor/path_painter.dart	14.58%	41 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #714      +/-   ##
==========================================
- Coverage   85.17%   84.12%   -1.06%     
==========================================
  Files          83       83              
  Lines        7515     7198     -317     
==========================================
- Hits         6401     6055     -346     
- Misses       1114     1143      +29     

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