chore: show call participant mute and camera-off state

src/app/components/VoiceParticipantMediaBadges.svelte

@@ -0,0 +1,34 @@
+<script lang="ts">
+  import cx from "classnames"
+  import MicrophoneOff from "@assets/icons/microphone-off.svg?dataurl"
+  import VideocameraOff from "@assets/icons/videocamera-off.svg?dataurl"
+  import Icon from "@lib/components/Icon.svelte"
+
+  type Props = {
+    muted: boolean
+    cameraOn: boolean
+    showCamera?: boolean
+    size?: number
+    class?: string
+  }
+
+  const {muted, cameraOn, showCamera = true, size = 3, class: className = ""}: Props = $props()
+
+  const badgeClass =
+    "inline-flex size-4 shrink-0 items-center justify-center rounded bg-base-100/80 p-0.5 text-error"
+</script>
+
+{#if muted || (showCamera && !cameraOn)}
+  <div class={cx("flex items-center gap-1", className)}>
+    {#if muted}
+      <span class={badgeClass} aria-label="Muted">
+        <Icon icon={MicrophoneOff} {size} />
+      </span>
+    {/if}
+    {#if showCamera && !cameraOn}
+      <span class={badgeClass} aria-label="Camera off">
+        <Icon icon={VideocameraOff} {size} />
+      </span>
+    {/if}
+  </div>
+{/if}