[style] apply review feedback: simplify conditional logic

Simplify conditional class logic in FormSelectButton.vue per review suggestion:
- Combine cursor classes into single ternary
- Combine background classes into nested ternary with !disabled guard

src/renderer/extensions/vueNodes/widgets/components/form/FormSelectButton.vue

@@ -15,14 +15,11 @@
           'flex-1 h-6 px-5 py-[5px] rounded flex justify-center items-center gap-1 transition-all duration-150 ease-in-out',
           'bg-transparent border-none',
           'text-center text-xs font-normal',
-          {
-            'bg-interface-menu-component-surface-selected':
-              isSelected(option) && !disabled,
-            'hover:bg-interface-menu-component-surface-hovered':
-              !isSelected(option) && !disabled,
-            'opacity-50 cursor-not-allowed': disabled,
-            'cursor-pointer': !disabled
-          },
+          disabled ? 'opacity-50 cursor-not-allowed' : 'cursor-pointer',
+          !disabled &&
+            (isSelected(option)
+              ? 'bg-interface-menu-component-surface-selected'
+              : 'hover:bg-interface-menu-component-surface-hovered'),
           isSelected(option) && !disabled ? 'text-primary' : 'text-secondary'
         )
       "