fix: Cancel lazy save requests on update

Author: bastianallgeier

panel/src/panel/content.js

@@ -325,6 +325,11 @@ export default (panel) => {
 		 * Updates the form values of the current view
 		 */
 		async update(values = {}, env = {}) {
+			// cancel any previous save request
+			// to avoid race conditions with older content
+			this.cancelSaving();
+
+			// send a new save request
 			return await this.save(this.merge(values, env), env);
 		},