[moveit_py] add missing constructor of CollisionResult

[patrickKXMD]

Description

the constructor of CollisionResult is missing, so we can't use it in python.

Checklist

• Required by CI: Code is auto formatted using clang-format
• Extend the tutorials / documentation reference
• Document API changes relevant to the user in the MIGRATION.md notes
• Create tests, which fail without this PR reference
• Include a screenshot if changing a GUI
• While waiting for someone to review your request, please help review another open pull request to support the maintainers

[marioprats]

Thanks!

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (73f4551) 50.40% compared to head (c22a2f8) 50.32%.
Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2500      +/-   ##
==========================================
- Coverage   50.40%   50.32%   -0.07%     
==========================================
  Files         391      391              
  Lines       31982    31983       +1     
==========================================
- Hits        16117    16092      -25     
- Misses      15865    15891      +26     

Files	Coverage Δ
...veit_core/collision_detection/collision_common.cpp	100.00% <100.00%> (ø)

... and 4 files with indirect coverage changes

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.