Add completion block when call js module function (#47998)

Summary:
Fabric bridgeless don't call completion block when call js module method, so let's support it :).

## Changelog:

[IOS] [FIXED] - [Fabric] Add completion block when call js module function

Pull Request resolved: #47998

Test Plan: Module call js module method when passed `onComplete` block can be called successfully in bridgeless mode.

Reviewed By: fabriziocucci

Differential Revision: D66594514

Pulled By: javache

fbshipit-source-id: 74644b1f359a24cfa93389451e172fbc6a8ee1a1

packages/react-native/ReactCommon/react/runtime/platform/ios/ReactCommon/RCTInstance.mm

@@ -121,8 +121,11 @@ - (instancetype)initWithDelegate:(id<RCTInstanceDelegate>)delegate
       [_bridgeModuleDecorator.callableJSModules
           setBridgelessJSModuleMethodInvoker:^(
               NSString *moduleName, NSString *methodName, NSArray *args, dispatch_block_t onComplete) {
-            // TODO: Make RCTInstance call onComplete
             [weakSelf callFunctionOnJSModule:moduleName method:methodName args:args];
+            if (onComplete) {
+              [weakSelf
+                  callFunctionOnBufferedRuntimeExecutor:[onComplete](facebook::jsi::Runtime &_) { onComplete(); }];
+            }
           }];
     }
     _launchOptions = launchOptions;