Profile editor - Updated timeline repeat for segments

UI - Added missing Stylet base calls
Profile editor - Removed redundant min width on timeline rails
Profile editor - Fixed timeline zooming
Profile editor - Added missing tooltips

src/Artemis.UI/Screens/Settings/Tabs/Plugins/PluginSettingsTabViewModel.cs

@@ -33,6 +33,7 @@ namespace Artemis.UI.Screens.Settings.Tabs.Plugins
                     Items.Add(pluginSettingsViewModel);
             });
 
+            base.OnActivate();
         }
     }
 }