feat: Add card picker suggestion for camera entities (#2517)

Selecting a camera entity in the dashboard card picker now suggests
Advanced Camera Card under the Community section, so you can add it in
one click without searching for it manually.

Requires Home Assistant 2026.6 or later.

Docs:
https://developers.home-assistant.io/docs/frontend/custom-ui/custom-card#suggesting-your-card-for-an-entity

---------

Co-authored-by: dermotduffy <dermot.duffy@gmail.com>

tests/card-controller/controller.test.ts

@@ -302,22 +302,6 @@ describe('CardController', () => {
       );
     });
 
-    describe('getStubConfig', () => {
-      it('should handle with camera entities', () => {
-        expect(
-          CardController.getStubConfig(['camera.office', 'binary_sensor.motion']),
-        ).toEqual({
-          cameras: [{ camera_entity: 'camera.office' }],
-        });
-      });
-
-      it('should handle without camera entities', () => {
-        expect(CardController.getStubConfig(['binary_sensor.motion'])).toEqual({
-          cameras: [{ camera_entity: 'camera.demo' }],
-        });
-      });
-    });
-
     it('should return getQueryStringManager', () => {
       expect(createController().getQueryStringManager()).toBe(
         vi.mocked(QueryStringManager).mock.instances[0],