fix: ``` surroundings in code block disappear

close #7015
close #7378
close #5735

src/main/frontend/extensions/code.cljs

@@ -187,6 +187,7 @@
 
 (defn- save-file-or-block-when-blur-or-esc!
   [editor textarea config state]
+  (state/set-state! :editor/skip-saving-current-block? true)
   (state/set-block-component-editing-mode! false)
   (save-file-or-block! editor textarea config state))
 
@@ -293,8 +294,7 @@
                 state)
    :did-update (fn [state]
                  (reset! (:code-options state) (last (:rum/args state)))
-                 state)
-   }
+                 state)}
   [state _config id attr code _theme _options]
   [:div.extensions__code
    (when-let [mode (:data-lang attr)]