feat: improves group styling when there is no label

src/admin/components/forms/field-types/Group/index.scss

@@ -29,6 +29,10 @@
     }
   }
 
+  &--no-label {
+    margin-top: 0,
+  }
+
   @include mid-break {
     &__fields-wrapper {
       display: flex;

src/admin/components/forms/field-types/Group/index.tsx

@@ -29,7 +29,11 @@ const Group: React.FC<Props> = (props) => {
 
   return (
     <div
-      className="field-type group"
+      className={[
+        'field-type',
+        baseClass,
+        !label && `${baseClass}--no-label`,
+      ].filter(Boolean).join(' ')}
       style={{
         ...style,
         width,