Bug when updating translated documents

When updating autoroutes for existing documents, the code did not handle translations at all. This code change will improve support for translations by taking proper care of translations during updates of auto routes.

| Q             | A
| ------------- | ---
| Bug fix?      | yes
| New feature?  | no
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | ?
| Fixed tickets | 
| License       | MIT
| Doc PR        |