refactor(tenant-router): import embed routes from @cio/utils

Replace the cross-package relative source import with the workspace
package subpath so embed routing uses the canonical constants module.

apps/tenant-router/tsconfig.json

@@ -12,5 +12,5 @@
     "isolatedModules": true,
     "resolveJsonModule": true
   },
-  "include": ["src/**/*.ts", "../../packages/utils/src/constants/embeds.ts"]
+  "include": ["src/**/*.ts"]
 }