fix: Only show PTZ controls for selected camera in grid mode (#1619)

tests/utils/substream.test.ts

@@ -5,11 +5,11 @@ import {
   removeSubstream,
 } from '../../src/utils/substream';
 import { View } from '../../src/view/view';
+import { createView } from '../test-utils';
 
 describe('hasSubstream/getStreamCameraID', () => {
   it('should detect substream', () => {
-    const view = new View({
-      view: 'live',
+    const view = createView({
       camera: 'camera',
       context: {
         live: {
@@ -21,16 +21,14 @@ describe('hasSubstream/getStreamCameraID', () => {
     expect(getStreamCameraID(view)).toBe('camera2');
   });
   it('should not detect substream when absent', () => {
-    const view = new View({
-      view: 'live',
+    const view = createView({
       camera: 'camera',
     });
     expect(hasSubstream(view)).toBeFalsy();
     expect(getStreamCameraID(view)).toBe('camera');
   });
   it('should not detect substream when main stream', () => {
-    const view = new View({
-      view: 'live',
+    const view = createView({
       camera: 'camera',
       context: {
         live: {
@@ -41,21 +39,28 @@ describe('hasSubstream/getStreamCameraID', () => {
     expect(hasSubstream(view)).toBeFalsy();
     expect(getStreamCameraID(view)).toBe('camera');
   });
-  it('should respect cameraID override', () => {
-    const view = new View({
-      view: 'live',
-      camera: 'camera',
-      context: {
-        live: {
-          overrides: new Map([
-            ['camera', 'camera2'],
-            ['camera3', 'camera4'],
-          ]),
+  describe('should respect cameraID override', () => {
+    it('should respect cameraID override when present in overrides', () => {
+      const view = createView({
+        camera: 'camera',
+        context: {
+          live: {
+            overrides: new Map([
+              ['camera', 'camera2'],
+              ['camera3', 'camera4'],
+            ]),
+          },
         },
-      },
+      });
+      expect(hasSubstream(view)).toBeTruthy();
+      expect(getStreamCameraID(view, 'camera3')).toBe('camera4');
+    });
+
+    it('should respect cameraID override when not present in overrides', () => {
+      const view = createView();
+      expect(hasSubstream(view)).toBeFalsy();
+      expect(getStreamCameraID(view, 'camera3')).toBe('camera3');
     });
-    expect(hasSubstream(view)).toBeTruthy();
-    expect(getStreamCameraID(view, 'camera3')).toBe('camera4');
   });
 });