Unlinks qscintilla2 for qt4/5 to avoid cross-talk

Fixes for tests with macOS brew HEAD

Use higher level subprocess interface in system test
scripts and convert from bytes->str where required.

Python 3.8 removed platform.dist and changed os.name to return posix
on macOS. Instead of adding the distro dependency we implement basic
parsing of lsb_release on Linux as we only need very basic information

Without this qtpy fails to import as it first imports sip
to set v2 of the PyQt4 api

With openmp enabled access to the ConfigService is now required

Merge pull request #28775 from mantidproject/clarify_devdocs_about_setting_up_debugging_in_pycharm_professional

Updated devdocs concerning setup of remote debugger on pycharm professional

In particular instructions on how to install the pydevd_pycharm package

Merge pull request #28773 from mantidproject/EngDiff_fix_typo_in_GSAS_DIFFA_parameter_when_extracted_from_fit

Fix typo that replaced DIFA value with DIFC value from fit

Add new `LRReductionWithReference` algorithm

This commit alters the following behaviour of the function dialog:

(1) The function box is initially clear so the user can type immediately 
(2) The peak type text is now a placeholder, representing the currently selected peak type.
(3) Complete of the function can be activated if enter is pressed and the list of possible completions is 1.

Make colorfill plots use workspace name as the plot title

Add extra features to the debug logging for MC absorption calculation

Merge pull request #28752 from mantidproject/27601_add_option_to_take_UB_from_workspace_IntegrateEllipsoids

Added option to take UB from workspace integrate ellipsoids

Workbench Project Save Dialog

Also make better use of space in the colour bar

Small changes sometimes take a lot of effort

This commit adds a check to see if we are currently in the fit property browser. This is necessary to stop the cursor resetting when we are trying to select a peak.