Create Dataset URL

[g-saracca]

Overview of the Feature Request

Change create dataset page path url,
from: /spa/datasets/create?collectionId=[collectionId]
to: /spa/datasets/[collectionId]/create

This is to keep consistency with other url's within the SPA.
Collections route: /spa/collections/[collectionId]
Create collection route: /spa/collections/[collectionId]/create

We will need to update also links,

What kind of user is the feature intended for?

All SPA users.

What inspired the request?

Discussion with the SPA frontend team.

What existing behaviour do you want changed?

None.

Any brand-new behaviour do you want to add to Dataverse?

Change url format to match rest of the url's in the SPA.

Any open or closed issues related to this feature request?

None.