mgr/cephadm: don't block matching group for identical nvmeof services

This was incorrectly handled as part of
ceph@85d2633
which intended to block having multiple nvmeof services with
the same group, but forgot to verify the spec being applied
wasn't just an update on a prevoiously applied service

Signed-off-by: Adam King <[email protected]>

Author: adk3798

src/pybind/mgr/cephadm/module.py

@@ -3416,7 +3416,7 @@ def _apply_service_spec(self, spec: ServiceSpec) -> str:
                                         f"group name '{nvmeof_spec.group}' and service id '{nvmeof_spec.service_id}'")
             for sspec in [s.spec for s in self.spec_store.get_by_service_type('nvmeof')]:
                 nspec = cast(NvmeofServiceSpec, sspec)
-                if nvmeof_spec.group == nspec.group:
+                if nvmeof_spec.group == nspec.group and nvmeof_spec.service_id != nspec.service_id:
                     raise OrchestratorError(f"Cannot create nvmeof service with group {nvmeof_spec.group}. That group is already "
                                             f"being used by the service {nspec.service_name()}")