Revert "perf?(client): remove needless scoped annotation for style"

This reverts commit ada04c1932.

packages/frontend/src/components/form/split.vue

@@ -14,7 +14,7 @@ const props = withDefaults(defineProps<{
 const minWidth = props.minWidth + 'px';
 </script>
 
-<style lang="scss">
+<style lang="scss" scoped>
 .terlnhxf {
 	display: grid;
 	grid-template-columns: repeat(auto-fill, minmax(v-bind('minWidth'), 1fr));