#9094-R: Use ',' and '.' keys similar to '<' and '>' keys
Merge pull request #1048 from ahuarte47/Issue_9094-revival

#9094-R: Use ',' and '.' keys similar to '<' and '>' keys in QgsMapToolNodeTool
[processing] API v2 update fix: returns str obj instead of QVariant one, it occurs when running Processing headless
[processing] set window flags for modeler dialog
Fix #9271 - Decrease step for symbol properties
Reduce margins on processing toolbox
#9280: disconnect postgres connections created