fix(perps): match Cancel All Orders footer spacing to MMDS sheets

Add pt-6 on BottomSheetFooter so content-to-button gap matches other Perps MMDS bottom sheets.

Co-authored-by: Cursor <cursoragent@cursor.com>

Author: brianacnguyen

app/components/UI/Perps/Views/PerpsCancelAllOrdersView/PerpsCancelAllOrdersView.tsx

@@ -246,6 +246,7 @@ const PerpsCancelAllOrdersView: React.FC<PerpsCancelAllOrdersViewProps> = ({
         buttonsAlignment={ButtonsAlignment.Horizontal}
         secondaryButtonProps={secondaryButtonProps}
         primaryButtonProps={primaryButtonProps}
+        twClassName="pt-6"
       />
     </BottomSheet>
   );