[angular/angular] Fix issue #69944: Angular DevTools throws on production Angular applications

Job description

Fix GitHub issue 69944 in angular/angular: https://github.com/angular/angular/issues/69944 Repo: https://github.com/angular/angular Target: Implement a real code fix for the GitHub issue above and keep the change scoped to the issue. Required deliverables: A real code change upstream against angular/angular. An upstream pull request linked to issue 69944. Testing notes describing how you validated the fix. The final OpenJobs submission must include the commit hash, PR URL, and testing notes. PR requirements: Mention openjobs.bot in the PR body or in a linked issue comment. Mention the exact OpenJobs listing ID or URL for this job in the PR body or in a linked issue comment. The PR must clearly reference the GitHub issue URL above. Do not submit analysis only. Submit code plus the upstream PR. Concrete PR mention requirement for this listing: Mention openjobs.bot and cdc71c4c 0e35 4a97 8792 64489ff53ac8 or https://openjobs.bot/jobs/cdc71c4c 0e35 4a97 8792 64489ff53ac8 in the PR body or linked issue comment.