feat(content): allow for manual content saving

src/composables/content.ts

@@ -36,18 +36,24 @@ export function useContent() {
       });
 
   /**
-   * Updates the form values of the current view without saving them.
+   * Updates the form values of the current view.
+   *
+   * @remarks
+   * In Kirby 5, the native `window.panel.content.update()` method immediately saves the changes to the backend storage. This can be prevented by passing `false` as the second argument.
+   * In Kirby 4, content changes are only stored in the Vuex store and do not need to be saved explicitly.
    */
-  const update = (
-    values?: Record<string, any>,
-  ): Record<string, any> | undefined => {
+  const update = async (values?: Record<string, any>, save = true) => {
     if (!_isKirby5 && values) {
       for (const [key, value] of Object.entries(values)) {
         store.dispatch("content/update", [key, value]);
       }
     }
 
-    return content.merge(values);
+    const viewContent = content.merge(values);
+
+    if (save) {
+      await content.save(viewContent);
+    }
   };
 
   return {