Fixed alarm related issues

Fixed alarm related issues

There were several issues related to alarms.

* Region name was incorrect
* Unsupported alarm types now discard correctly

TEST PLAN
PASS: Run compliance and quality robot tests, with mock SMO
* Deploy oran-o2 application on StarlingX system controller (stx9)
* Update/apply override for dev image
* Ensure O2 pod is running using correct image
* Manually verify alarm related logs for errors

Issue-ID: INF-460
Signed-off-by: jkraitbewr <joshua.kraitberg@windriver.com>
Change-Id: I42027ce1ff8dd8e03782e22024b16c1c18abdf5c