Fix: remove invalid form attribute (#3210)

src/components/widgets/widget/container_form.jsx

@@ -2,11 +2,7 @@ import { getAllClasses, getInnerBlock, getBottomBlock } from "./container";
 
 export default function ContainerForm({ children = [], options, additionalClassNames = "", callback }) {
   return (
-    <form
+    <form onSubmit={callback} className={`${getAllClasses(options, additionalClassNames)} information-widget-form`}>
-      type="button"
-      onSubmit={callback}
-      className={`${getAllClasses(options, additionalClassNames)} information-widget-form`}
-    >
       {getInnerBlock(children)}
       {getBottomBlock(children)}
     </form>