mgr/dashboard: Configure NVMe/TCP

mgr/dashboard: Configure NVMe/TCP

Fixes https://tracker.ceph.com/issues/63686

- creation of Nvme-oF/TCP service
- deletion of Nvme-oF/TCP service
- edit/update Nvme-oF/TCP service
- added unit tests for Nvme-oF/TCP service
- changed Id -> Service Name
- added prefix of service type in service name (similar to <client.> in
  fs access)
- service name and pool are required fields for nvmeof
- placement count now takes default value as mentioned in cephadm
- slight refactors
- prepopulate serviceId for each service type setServiceId()
- in case serviceId is same as servcie type then do not add create service name with<servicetype>.<setrviceid> format

Signed-off-by: Afreen <afreen23.git@gmail.com>