Issue #3383291: Review and check support for media entity type

css/forms_helper.css

+.path-frontend-editing .layout-node-form__actions {
+  display: block;
+  z-index: 2;
+}
+
+.path-frontend-editing .layout-node-form__actions .gin-sticky {
+  position: fixed;
+  bottom: 0;
+  background: white;
+  border: 1px solid gray;
+  padding: 0 15px;
+  border-radius: 8px;
+}