style: replace h-[1px] with h-px to unify the writing format of Tailwind CSS (#24146)

web/app/components/workflow/selection-contextmenu.tsx

@@ -414,7 +414,7 @@ const SelectionContextmenu = () => {
             {t('workflow.operator.distributeVertical')}
           </div>
         </div>
-        <div className='h-[1px] bg-divider-regular'></div>
+        <div className='h-px bg-divider-regular'></div>
         <div className='p-1'>
             <div className='system-xs-medium px-2 py-2 text-text-tertiary'>
             {t('workflow.operator.horizontal')}