Fix Quick Nav bug with HashRouter

[PelayoFelgueroso]

Checklist
(Check off all the items before submitting)

• Build process is done without errors. All tests pass in the /lib directory.
• Self-reviewed the code before submitting.
• Meets accessibility standards.
• Added/updated documentation to /website as needed.
• Added/updated tests as needed.

**Closes

[Jialecl]

A problem with this implementation is that the # does not longer appear in the url when any link or sublink is clicked.
I don't think we want that behaviour.