Proactively fix stuck devices in video rooms (#8587)

* Proactively fix stuck devices in video rooms

* Fix tests

* Explain why we're disabling the lint rule

* Apply code review suggestions

* Back VideoChannelStore's flags by SettingsStore instead of localStorage

src/settings/Settings.tsx

@@ -929,6 +929,18 @@ export const SETTINGS: {[setting: string]: ISetting} = {
         supportedLevels: LEVELS_DEVICE_ONLY_SETTINGS,
         default: false,
     },
+    "audioInputMuted": {
+        supportedLevels: LEVELS_DEVICE_ONLY_SETTINGS,
+        default: false,
+    },
+    "videoInputMuted": {
+        supportedLevels: LEVELS_DEVICE_ONLY_SETTINGS,
+        default: false,
+    },
+    "videoChannelRoomId": {
+        supportedLevels: LEVELS_DEVICE_ONLY_SETTINGS,
+        default: null,
+    },
     [UIFeature.RoomHistorySettings]: {
         supportedLevels: LEVELS_UI_FEATURE,
         default: true,