fix: quote mcp url (#45272)

- closes https://github.com/supabase/supabase/issues/45266

<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->

## Summary by CodeRabbit

## Release Notes

* **Bug Fixes**
* Updated the formatting of MCP URLs in generated Codex setup commands
to include proper quotation marks for correct CLI execution.

<!-- end of auto-generated comment: release notes by coderabbit.ai -->

packages/ui-patterns/src/McpUrlBuilder/constants.tsx

@@ -178,7 +178,7 @@ export const MCP_CLIENTS: McpClient[] = [
     },
     primaryInstructions: (config, onCopy) => {
       const mcpUrl = getMcpUrl(config)
-      const command = `codex mcp add supabase --url ${mcpUrl}`
+      const command = `codex mcp add supabase --url "${mcpUrl}"`
       return (
         <div className="space-y-2">
           <p className="text-xs text-foreground-light">Add the Supabase MCP server to Codex:</p>