Update bot invite URL permissions across multiple components

- Changed the permissions parameter in the bot invite URL from '8' to '4786708802825463' in env.ts, page.tsx, and lib/env.ts for improved access control.
- Updated the permissions in the landing page bootstrap.php to maintain consistency across the application.

apps/webui/src/app/dashboard/page.tsx

@@ -27,7 +27,7 @@ function initials(name: string): string {
 function buildInviteUrl(guildId: string): string {
   const url = new URL('https://discord.com/api/oauth2/authorize');
   url.searchParams.set('client_id', env.BOT_CLIENT_ID);
-  url.searchParams.set('permissions', '8');
+  url.searchParams.set('permissions', '4786708802825463');
   url.searchParams.set('scope', 'bot applications.commands');
   url.searchParams.set('guild_id', guildId);
   return url.toString();