Stop Chat and More from flashing on load in audio rooms.

Bootstrap room-type flags from meet-config before Alpine paints, gate toolbar and banners server-side per room type, and hide Alpine toolbar items until init completes.

Co-authored-by: Cursor <cursoragent@cursor.com>

tests/Feature/MeetWebTest.php

@@ -1301,6 +1301,8 @@ class MeetWebTest extends TestCase
 
         $response->assertOk();
         $response->assertSee('data-is-space="1"', false);
+        $response->assertDontSee('title="Chat"', false);
+        $response->assertDontSee('>More</', false);
         $response->assertDontSee('Start breakouts', false);
         $response->assertDontSee('Share files', false);
         $response->assertDontSee('View the room lineup from Events', false);