fix react batching workaround

packages/slate-react/src/plugin/with-react.ts

@@ -349,25 +349,13 @@ export const withReact = <T extends BaseEditor>(
   }
 
   e.onChange = options => {
-    // COMPAT: React < 18 doesn't batch `setState` hook calls, which means
-    // that the children and selection can get out of sync for one render
-    // pass. So we have to use this unstable API to ensure it batches them.
-    // (2019/12/03)
-    // https://github.com/facebook/react/issues/14259#issuecomment-439702367
-    const maybeBatchUpdates =
-      REACT_MAJOR_VERSION < 18
-        ? ReactDOM.unstable_batchedUpdates
-        : (callback: () => void) => callback()
+    const onContextChange = EDITOR_TO_ON_CHANGE.get(e)
 
-    maybeBatchUpdates(() => {
-      const onContextChange = EDITOR_TO_ON_CHANGE.get(e)
+    if (onContextChange) {
+      onContextChange(options)
+    }
 
-      if (onContextChange) {
-        onContextChange(options)
-      }
-
-      onChange(options)
-    })
+    onChange(options)
   }
 
   return e