fix: contact us page initialization

[SGrueber]

PR Type

[x] Bugfix [ ] Feature [ ] Code style update (formatting, local variables) [ ] Refactoring (no functional changes, no API changes) [ ] Build-related changes [ ] CI-related changes [ ] Documentation content changes [ ] Application / infrastructure changes [ ] Other:

What Is the Current Behavior?

If the user opens the PWA with the '/contact' route the subject select box isn't shown. This problem occurs because the translation service and the contactUs store module isn't completely loaded yet.

Issue Number: Closes #

What Is the New Behavior?

The issue has been fixed and the page is initialized properly.

Does this PR Introduce a Breaking Change?

[ ] Yes [x] No

Other Information

AB#97866