UI tweaks (#800)

* style: placeholder for progress value

* style: rundown menu

* style: extracted rundown takes whole screen

* style: tweaks to rundown indicators

* feat: allow exporting info

* style: indicate action

apps/client/src/common/stores/appModeStore.ts

@@ -3,6 +3,7 @@ import { create } from 'zustand';
 export enum AppMode {
   Run = 'run',
   Edit = 'edit',
+  Freeze = 'freeze',
 }
 
 const appModeKey = 'ontime-app-mode';