Resolve "Remember user parameters for sorting table in Admin Panel"

Closes #836 (closed)

changed milestone to %v15.0.0~alpha.2

added enhancement label

added 6 commits

• b1851ccf - sort order of map-tables is preserved in user preferences
• 3ecd7e34 - global variable is not used
• 4e9c3f5e - unused code removed
• 242a377a - order in databasle is preserved in user preferences
• 4f3bb3e2 - common functionality exrtacted to separate method
• 2cc2a511 - common code extracted to separate function

Compare with previous version

unmarked as a Work In Progress

enabled an automatic merge when the pipeline for 2cc2a511 succeeds

merged

mentioned in commit 7a5f3553