disable moving cursor when drop file

packages/editor/src/services/codemirror-editor/use-codemirror-editor/use-codemirror-editor.ts

@@ -49,6 +49,7 @@ export const useCodeMirrorEditor = (props?: UseCodeMirror): UseCodeMirrorEditor
         indentWithTab: false,
         basicSetup: {
           defaultKeymap: false,
+          dropCursor: false,
         },
       },
     );