Add view_room to Action enum (#7203)

* Add ViewRoom action to Action enum

Signed-off-by: Renan <renancleyson.f@gmail.com>

* Change view_room occurrences to Action.ViewRoom

Signed-off-by: Renan <renancleyson.f@gmail.com>

* Add missing Action import

src/stores/widgets/StopGapWidget.ts

@@ -45,6 +45,7 @@ import { WidgetType } from "../../widgets/WidgetType";
 import ActiveWidgetStore from "../ActiveWidgetStore";
 import { objectShallowClone } from "../../utils/objects";
 import defaultDispatcher from "../../dispatcher/dispatcher";
+import { Action } from "../../dispatcher/actions";
 import { ElementWidgetActions, IViewRoomApiRequest } from "./ElementWidgetActions";
 import { ModalWidgetStore } from "../ModalWidgetStore";
 import ThemeWatcher from "../../settings/watchers/ThemeWatcher";
@@ -291,7 +292,7 @@ export class StopGapWidget extends EventEmitter {
 
             // at this point we can change rooms, so do that
             defaultDispatcher.dispatch({
-                action: 'view_room',
+                action: Action.ViewRoom,
                 room_id: targetRoomId,
             });