fix(user) use ui tab by default on create user success modal, add deduplication

[edlerd]

Done

• fix(user) use ui tab by default on create user success modal, add deduplication

QA

1. Run the LXD-UI:
   • On the demo server via the link posted by @webteam-app below. This is only available for PRs created by collaborators of the repo. Ask @Kxiru or @edlerd for access.
   • With a local copy of this branch, build and run as described in the docs.
2. Perform the following QA steps:
   • go to permissions > identities
   • create a new tls identity. ensure deduplication of the name works as expected
   • continue creation with a new name, select some or no groups and ensure they are applied correctly
   • on the success modal, ensure the ui tab is default behind the "How to use it?" description

Screenshots

[webteam-app]

Demo

Jenkins

demos.haus