[Humble] Setup.exe to a different root than c:\opt causes launch issues

[ooeygui]

Describe the bug
The following files have the install root c:\opt\ros\humble\x64 baked in, which negatively impact their use in a different rooted project:

Filename	Reference
share\python_orocos_kdl_vendor\environment\pythonpath.dsv	1:prepend-non-duplicate;PYTHONPATH;C:\opt\ros\humble\x64\lib\python3.10\dist-packages
setup.bat	9:call:_colcon_prefix_chain_bat_call_script "c:\opt\ros\humble\x64\local_setup.bat""
setup.ps1	25:_colcon_prefix_chain_powershell_source_script "c:\opt\ros\humble\x64\local_setup.ps1"
C:\opt\ros\humble\x64\share\ament_index\resource_index\parent_prefix_path*