feat(ui-flow): composer focus after create-invite

Emit composer-focus-channel when guild invite is created and a channel is active.

Co-authored-by: Cursor <[email protected]>

index.js

@@ -547,6 +547,12 @@ async function dispatchUiMessage (platform, msg, hooks = {}) {
   if (t === 'create-invite') {
     const inv = await platform.createInvite()
     send({ type: 'invite', invite: inv })
+    if (platform.activeChannelId && platform.mode === 'guild') {
+      send({
+        type: 'composer-focus-channel',
+        channelId: platform.activeChannelId
+      })
+    }
     pushState()
     return true
   }