Remove redundant var

Author: Georgi2704

frontend/packages/pydantic-forms/src/components/form/Footer.tsx

@@ -26,7 +26,7 @@ const Footer = ({
             onClick={() => onPrevious?.()}
             style={{
                 padding: '12px',
-                backgroundColor: buttons?.previous?.color,
+                backgroundColor: previous?.color,
             }}
         >
             {previous?.text ?? t('previous')}
@@ -48,7 +48,7 @@ const Footer = ({
     const SubmitButton = () => (
         <button
             type="submit"
-            style={{ padding: '12px', backgroundColor: buttons?.next?.color }}
+            style={{ padding: '12px', backgroundColor: next?.color }}
         >
             {next?.text ?? submitButtonLabel}
         </button>