fixup! fix(@angular/cli): always install package during ng add to inspect manifest on disk for schematics

TAG=agy
CONV=b92ba928-67b0-4f4b-a79a-ce19e5098641

Author: alan-agius4

packages/angular/cli/src/commands/add/cli.ts

@@ -261,7 +261,7 @@ export default class AddCommandModule
               if (localManifest['ng-add']?.save === false) {
                 shouldCleanUp = true;
               }
-            } else {
+            } else if (!Object.hasOwn(BUILT_IN_SCHEMATICS, result.collectionName)) {
               await this.cleanUpTemporaryDependency(result.collectionName);
               shouldCleanUp = false;
             }