Merge pull request #287 from boostcampwm-2024/Hotfix/#278_캐럿이_계속_튀는_문제

�Feature/backspace눌렀을때 캐럿 튀는 문제

client/src/features/editor/Editor.tsx

@@ -246,10 +246,8 @@ export const Editor = ({ onTitleChange, pageId, pageTitle, serializedEditorData
 
         block.crdt.currentCaret = currentCaret + characters.length;
       }
-      composingCaret.current = null;
-      if (isSameLocalChange.current) {
-        isSameLocalChange.current = false;
-      }
+      isLocalChange.current = false;
+      isSameLocalChange.current = false;
     },
     [editorCRDT, pageId, sendCharInsertOperation],
   );