service2.js: Port CKEditor service

service.js

@@ -806,16 +806,7 @@ class BesCKService extends BesService {
    * Updates grammar mistake markup positions.
    */
   repositionMistakes() {
-    this.children.forEach(child => {
-      this.clearMistakeMarkup(child.element)
-      if (child.matches) {
-        child.matches.forEach(match => {
-          const { clientRects, highlights } = this.addMistakeMarkup(match.range)
-          match.rects = clientRects
-          match.highlights = highlights
-        })
-      }
-    })
+    super.repositionMistakes()
     // window.dispatchEvent(new Event('resize'))
   }