feat(hotkeys): Migrate hotkeys to customization service and fix issues with overrides (#4777)

extensions/default/src/ViewerLayout/index.tsx

@@ -199,7 +199,7 @@ function ViewerLayout({
           </ResizablePanelGroup>
         </React.Fragment>
       </div>
-      <Onboarding />
+      <Onboarding tours={customizationService.getCustomization('ohif.tours')} />
       <InvestigationalUseDialog dialogConfiguration={appConfig?.investigationalUseDialog} />
     </div>
   );