dedupe frontend dependencies

What does this MR do?

Dedupe frontend dependencies. We do not want to end up with e.g. two version of bootstrap in our dependency tree.

Does this MR meet the acceptance criteria?

• Changelog entry added, if necessary
• Documentation created/updated
• Tests added for this feature/bug
• Conforms to the code review guidelines
• Conforms to the merge request performance guidelines
• Conforms to the style guides
• Conforms to the database guides