fix: Update the dropdown bg to match the design system (#10438)

This PR updates the background used in dropdown to match our design system. Previous PR failed to add this correctly.

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Co-authored-by: Pranav <pranav@chatwoot.com>

app/javascript/dashboard/components-next/dropdown-menu/base/DropdownItem.vue

@@ -39,7 +39,7 @@ const triggerClick = () => {
       v-bind="$attrs"
       class="flex text-left rtl:text-right items-center p-2 reset-base text-sm text-n-slate-12 w-full border-0"
       :class="{
-        'hover:bg-n-alpha-1 rounded-lg w-full gap-3': !$slots.default,
+        'hover:bg-n-alpha-2 rounded-lg w-full gap-3': !$slots.default,
       }"
       :href="props.link || null"
       @click="triggerClick"