Fixes #24192 - Clean up auth_source_selected action leftovers

The `UsersController#auth_source_selected` action was removed in commit
feacea35f07f362d9e2c694a83516bbc902321a0 but a few leftovers remain in
the code. This commit removes them.

Fixes #23290 - Unmount components before dom-update

• provide core `tfm.reactMounter.unmountComponents` function
• unmount components before saving host and manually update the dom with
  jquery

Fixes #23382 - Hashes in arrays are shown properly on ENC

When defining smart class parameter values with type YAML and submitted
in GUI an Ruby error message gets prepended for each array entry.

Defining an YAML-Array like:

---
- name: foo
mount_point: /bar...

fixes #24186 - improve vsphere error handling

Fixes #23705 - Do not associate ptable snippets

Fixes #24167 - Remove legacy_puppet_hostname setting

Fixes #23896 - Update taxonomies when refreshing metadata

Fixes #24158 - fix cloning of roles

Roles that contains filters without permissions could not be cloned. In
UI, user did not even get any error message, API responded with 422 at
least.

Fixes #23933 - consider associated object in set_taxonomies

Fixes #23782 - restore login disabling