tree dcfc4f4e3f9e454c997fd45a7c34b4be7ba2fcae
parent fb54610544f97b989b549d8fc94518e2d38c9467
author Myung Bae <myungbae@us.ibm.com> 1733328539 -0600
committer Ed Tanous <ed@tanous.net> 1733521980 +0000

Refactor Message Header and Url Selector

This is to refactor the access of header and url parts from
MessageRegistry to reduce the replicated comparison of the registry
name.

Tested:
-  GET /redfish/v1/Registries/<str>/<str>  like
```
- /redfish/v1/Registries/Base/Base
- /redfish/v1/Registries/TaskEvent/TaskEvent
- /redfish/v1/Registries/ResourceEvent/ResourceEvent
- /redfish/v1/Registries/OpenBMC/OpenBMC
- /redfish/v1/Registries/Telemetry/Telemetry
```

Change-Id: Id5806343709084292273e8021e0d0b4a114ac06f
Signed-off-by: Myung Bae <myungbae@us.ibm.com>