Fixes #4946: Refresh rule category tree when refreshing rules
Merge pull request #536 from VinceMacBuche/bug_4946/RefreshRule_categoryTree

Fixes #4946: Refresh rule category tree when refreshing rules
Fixes #4947: Reset selected rule category when reloading page
Merge pull request #537 from VinceMacBuche/bug_4947/Reset_Filter_reload_rule_page

Fixes #4947: Reset selected rule category when reloading page
Merge branch 'branches/rudder/2.9' into branches/rudder/2.10