Fix missing baseline diff (#30770)

Fixes an odd build break in master

Author: RyanCavanaugh

tests/baselines/reference/reactReduxLikeDeferredInferenceAllowsAssignment.errors.txt

@@ -222,4 +222,6 @@ tests/cases/compiler/reactReduxLikeDeferredInferenceAllowsAssignment.ts(76,50):
       null,
       mapDispatchToProps
     )(TestComponent);
+    
+    export {};