feat(status): show visibility icon when non-public

closes #920

components/status/StatusVisibilityIndicator.vue

@@ -0,0 +1,15 @@
+<script setup lang="ts">
+import type { mastodon } from 'masto'
+
+const { status } = defineProps<{
+  status: mastodon.v1.Status
+}>()
+
+const visibility = $computed(() => statusVisibilities.find(v => v.value === status.visibility)!)
+</script>
+
+<template>
+  <CommonTooltip :content="$t(`visibility.${visibility.value}`)" placement="bottom">
+    <div :class="visibility.icon" />
+  </CommonTooltip>
+</template>