mgr/dashboard: When configuring the RGW Multisite endpoints from the UI allow FQDN...

mgr/dashboard: When configuring the RGW Multisite endpoints from the UI allow FQDN(Not only IP)

When configuring the RGW Multisite endpoints from the UI allow FQDN, at the moment when using a FQDN it's not allowed

Fixes: https://tracker.ceph.com/issues/69055
Signed-off-by: Aashish Sharma <aasharma@redhat.com>
(cherry picked from commit 9f3619af9ae911955916195084d225928d4b2f43)

Conflicts:
	src/pybind/mgr/dashboard/frontend/package-lock.json (conflicts
with typescript package version, kept the existing one)
	src/pybind/mgr/dashboard/frontend/package.json (conflicts with
typescript package version, kept the existing one)
	src/pybind/mgr/dashboard/frontend/src/app/ceph/rgw/rgw-multisite-migrate/rgw-multisite-migrate.component.ts (conflicts with automated system user creation in main)
	src/pybind/mgr/dashboard/frontend/src/app/shared/forms/cd-validators.ts (conflicts with oauthAddressTest validator)