Add non-nip29 chat, add leave room

src/app/components/ChannelMessageEmojiButton.svelte

@@ -1,14 +1,10 @@
 <script lang="ts">
-  import {noop} from "@welshman/lib"
   import type {NativeEmoji} from "emoji-picker-element/shared"
   import EmojiButton from "@lib/components/EmojiButton.svelte"
   import Icon from "@lib/components/Icon.svelte"
   import {publishReaction} from "@app/commands"
 
-  const {url, room, event} = $props()
-
-  // Tell svelte-check to shut up
-  noop(room)
+  const {url, event} = $props()
 
   const onEmoji = (emoji: NativeEmoji) =>
     publishReaction({event, relays: [url], content: emoji.unicode})