refactor: ♻️ Redesign post composer

app/components/ui/input-group/InputGroupButton.vue

@@ -0,0 +1,21 @@
+<script setup lang="ts">
+import { Button } from "@/components/ui/button";
+import { cn } from "@/lib/utils";
+import type { InputGroupButtonProps } from ".";
+import { inputGroupButtonVariants } from ".";
+
+const props = withDefaults(defineProps<InputGroupButtonProps>(), {
+    size: "xs",
+    variant: "ghost",
+});
+</script>
+
+<template>
+  <Button
+    :data-size="props.size"
+    :variant="props.variant"
+    :class="cn(inputGroupButtonVariants({ size: props.size }), props.class)"
+  >
+    <slot />
+  </Button>
+</template>