Resolve conflict in v5.1.0 framework.rst
Merge remote-tracking branch 'origin/master' into 28578_fix_load_invalid_ngem_data_file

Fix workbench start on package version on Windows

Python export of MWRunFiles, DataSelector and WorkspaceSelector widgets

launch_workbench needed updating with the split
of main from mainwindow. Also moves more startup
code to main from mainwindow.

Avoids needing to git clean before getting a
passed result from flake8
Refs #28710

Monte Carlo simulation to calculate a quantity called absorption
weighted path length that is used in extinction correction calculations
downstream from Mantid eg in Jana. Requested by WISH. Specific changes:

- new AddAbsorptionWeightedPathLengths algorithm that uses the existing MCAbsorptionStrategy class to do most of leg work
- adjust the MCAbsorptionStrategy class to make the code more reusable for calculation involving a single wavelength such as the absorption weighted path length for a peak. In particular change the Calculate function signature to replace the HistoramData and Spectrum parameters with simple vectors and move the interpolation functionality back into the MonteCarloAbsorption algorithm
- extend the Peak class to add in an extra column called tbar for the absorption weighted path length + get\set functions. Also expose the get\set in the Python interface
- update SaveReflections python algorithm to write the actual tbar value for each peak in a peaksworkspace out to Jana file instead of zero
- add the absorption weighted path length to the nexus file and adjust save\load code

This commit changes the lorch filter on the polaris pdf fourier filter to true to remove unwanted artifacts