LPS-43127 Need to initialize VocabularyPanelAdd each time.
LPS-43127 - Source formatting
LPS-40485 Add paginator config to tree nodes
LPS-40485 - Reuse the already existing code for retrieving the paginator config
LPS-40485 Use root-categories-count on the first level
LPS-43358 Avoid creating a session in SessionParamUtil if one does not already exist
LPS-43358 Avoid creating a session in calls to PortalUtil.getLocale/LanguageUtil.getLanguageId if one does not already exist