Add support for more advanced forms of overriding

src/camera-manager/manager.ts

@@ -145,7 +145,7 @@ export class CameraManager {
     // order, to ensure that the defaults in the cameras global config do not
     // override the values specified in the per-camera config.
     const cameras = config.cameras.map((camera) =>
-      recursivelyMergeObjectsNotArrays(cloneDeep(config?.cameras_global), camera),
+      recursivelyMergeObjectsNotArrays({}, cloneDeep(config?.cameras_global), camera),
     );
 
     try {