feat(web): add support for casting (#18231)

* recreate #13966

* gcast button works

* rewrote gcast-player to be GCastDestination and CastManager manages the interface between UI and casting destinations

* remove unneeded imports

* add "Connected to" translation

* Remove css for cast launcher

* fix tests

* fix doc tests

* fix the receiver application ID

* remove casting app ID

* remove cast button from nav bar

It is now present at the following locations:

- shared link album and single asset views
- asset viewer (normal user)
- album view (normal user)

* part 1 of fixes from @danieldietzler code review

* part 2 of code review changes from @danieldietzler and @jsram91

* cleanup documentation

* onVideoStarted missing callback

* add token expiry validation

* cleanup logic and logging

* small cleanup

* rename to ICastDestination

* cast button changes

web/src/lib/components/asset-viewer/photo-viewer.spec.ts

@@ -31,6 +31,29 @@ describe('PhotoViewer component', () => {
   beforeAll(() => {
     getAssetOriginalUrlSpy = vi.spyOn(utils, 'getAssetOriginalUrl');
     getAssetThumbnailUrlSpy = vi.spyOn(utils, 'getAssetThumbnailUrl');
+
+    vi.stubGlobal('cast', {
+      framework: {
+        CastState: {
+          NO_DEVICES_AVAILABLE: 'NO_DEVICES_AVAILABLE',
+        },
+        RemotePlayer: vi.fn().mockImplementation(() => ({})),
+        RemotePlayerEventType: {
+          ANY_CHANGE: 'anyChanged',
+        },
+        RemotePlayerController: vi.fn().mockImplementation(() => ({ addEventListener: vi.fn() })),
+        CastContext: {
+          getInstance: vi.fn().mockImplementation(() => ({ setOptions: vi.fn(), addEventListener: vi.fn() })),
+        },
+        CastContextEventType: {
+          SESSION_STATE_CHANGED: 'sessionstatechanged',
+          CAST_STATE_CHANGED: 'caststatechanged',
+        },
+      },
+    });
+    vi.stubGlobal('chrome', {
+      cast: { media: { PlayerState: { IDLE: 'IDLE' } }, AutoJoinPolicy: { ORIGIN_SCOPED: 'origin_scoped' } },
+    });
   });
 
   beforeEach(() => {