fix(storage): TaskSnapshotObserver error callbacks

Author: triniwiz

packages/firebase-storage/index.android.ts

@@ -150,6 +150,11 @@ export class Task implements ITask {
           complete?.();
         },
         onError(param0) {
+          if (nextOrObserver) {
+            if (typeof nextOrObserver === 'object') {
+              nextOrObserver?.error?.(FirebaseError.fromNative(param0));
+            }
+          }
           error?.(FirebaseError.fromNative(param0));
         },
       })

packages/firebase-storage/index.ios.ts

@@ -165,6 +165,7 @@ export class Task implements ITask {
             nextOrObserver(TaskSnapshot.fromNative(snapshot));
           } else if (typeof nextOrObserver === 'object') {
             nextOrObserver?.next(TaskSnapshot.fromNative(snapshot));
+            nextOrObserver?.error(FirebaseError.fromNative(snapshot.error));
           }
         }