feat: Add support for dot notation on array fields of Parse Object (#9115)

src/Controllers/DatabaseController.js

@@ -1851,6 +1851,14 @@ class DatabaseController {
         // only valid ops that produce an actionable result
         // the op may have happened on a keypath
         this._expandResultOnKeyPath(response, key, result);
+        // Revert array to object conversion on dot notation for arrays (e.g. "field.0.key")
+        if (key.includes('.')) {
+          const [field, index] = key.split('.');
+          const isArrayIndex = Array.from(index).every(c => c >= '0' && c <= '9');
+          if (isArrayIndex && Array.isArray(result[field]) && !Array.isArray(response[field])) {
+            response[field] = result[field];
+          }
+        }
       }
     });
     return Promise.resolve(response);