This adds a visual hint (caret down) on the toggler to help the user understand that clicking on the toggler won't do something right away, but will open a menu instead
- Deprecate cmdbAbstractObject::DisplayBareHistory() as history will be replace by ActivityPanel
- Rename illustrations to original filenames to find source more easily
- Remove unused "max_history_case_log_entry_length" config. parameter
- Activity panel: Introduce iCMDBChangeOp and iCMDBChangeOpSetAttribute interface for better dependency injection
- Activity panel: Add placeholder when no entry
- Activity panel: Fix tab toolbar icons color
- Activity panel: Add history entries (entries after the first 50 are not loaded yet)
- Popover menu: Fix no border-radius on first/last entries hover
- Adjust some sizes and colors on the navigation menu to match mockups
- Fix menu groups displaying over the user picture when menu is expanded
- Partially fix notification menu positioning
- Extract some sizes into variables for the popover menu