fix(code): set initial text

apps/client/src/widgets/type_widgets/abstract_code_type_widget.ts

@@ -56,9 +56,13 @@ export default class AbstractCodeTypeWidget extends TypeWidget {
      * @param {*} content the new content of the note.
      */
     _update(note: { mime: string }, content: string) {
-        // // CodeMirror breaks pretty badly on null, so even though it shouldn't happen (guarded by a consistency check)
-        // // we provide fallback
-        // this.codeEditor.setValue(content || "");
+        this.codeEditor.dispatch({
+            changes: {
+                from: 0,
+                to: this.codeEditor.state.doc.length,
+                insert: content || "",
+            }
+        })
         // this.codeEditor.clearHistory();
 
         // let info = CodeMirror.findModeByMIME(note.mime);