Fix colors, replace Dropdown with Select, add clear layout

app/components/ui/dropdown-menu/DropdownMenuGroup.vue

@@ -0,0 +1,15 @@
+<script setup lang="ts">
+import type { DropdownMenuGroupProps } from "reka-ui"
+import { DropdownMenuGroup } from "reka-ui"
+
+const props = defineProps<DropdownMenuGroupProps>()
+</script>
+
+<template>
+  <DropdownMenuGroup
+    data-slot="dropdown-menu-group"
+    v-bind="props"
+  >
+    <slot />
+  </DropdownMenuGroup>
+</template>