Merge remote-tracking branch 'origin/feature/8506_muon_load_corr_alg'
Refs #* (no branch, rebasing master). Refs #* master. Merge remote-tracking branch 'origin/feature/8450_script_interpreter_dragdrop'
Merge remote-tracking branch 'origin/bugfix/6171_script_history'
Merge remote-tracking branch 'origin/feature/8514_Reflectometry_quick_system_test'
Merge remote-tracking branch 'origin/bugfix/8344_automatically_transpose_data_in_diagnostics'
Re #8536. Added an option to check if the file is writable.
Re #8536. Using new FileValidator functionality in FileProperty.
Re #8536. Using absolute path in the error if possible.
Merge branch 'feature/8536_filevalidator' into develop