fix: Parse.Query.distinct fails due to invalid aggregate stage 'hint' (#9295)

spec/ParseQuery.spec.js

@@ -6,6 +6,8 @@
 
 const Parse = require('parse/node');
 const request = require('../lib/request');
+const ParseServerRESTController = require('../lib/ParseServerRESTController').ParseServerRESTController;
+const ParseServer = require('../lib/ParseServer').default;
 
 const masterKeyHeaders = {
   'X-Parse-Application-Id': 'test',
@@ -5275,4 +5277,33 @@ describe('Parse.Query testing', () => {
     // Validate
     expect(result.executionStats).not.toBeUndefined();
   });
+
+  it('should query with distinct within eachBatch and direct access enabled', async () => {
+    await reconfigureServer({
+      directAccess: true,
+    });
+
+    Parse.CoreManager.setRESTController(
+      ParseServerRESTController(Parse.applicationId, ParseServer.promiseRouter({ appId: Parse.applicationId }))
+    );
+
+    const user = new Parse.User();
+    user.set('username', 'foo');
+    user.set('password', 'bar');
+    await user.save();
+
+    const score = new Parse.Object('Score');
+    score.set('player', user);
+    score.set('score', 1);
+    await score.save();
+
+    await new Parse.Query('_User')
+      .equalTo('objectId', user.id)
+      .eachBatch(async ([user]) => {
+        const score = await new Parse.Query('Score')
+          .equalTo('player', user)
+          .distinct('score', { useMasterKey: true });
+        expect(score).toEqual([1]);
+      }, { useMasterKey: true });
+  });
 });