Modify cmHandle registration for alternateId

    - added alternate id to the interface for persisting the new value
    - updated unit tests to validate the new field

Issue-ID: CPS-1985
Signed-off-by: leventecsanyi <levente.csanyi@est.tech>
Change-Id: I81e61f2ea2ecc5d8c0938af00fa81a99e27e2e23
diff --git a/cps-ncmp-rest/docs/openapi/components.yaml b/cps-ncmp-rest/docs/openapi/components.yaml
index 9b5a1fd..1815b47 100644
--- a/cps-ncmp-rest/docs/openapi/components.yaml
+++ b/cps-ncmp-rest/docs/openapi/components.yaml
@@ -140,6 +140,9 @@
             type: string
             enum: [COMPLETE, NONE]
             example: "COMPLETE"
+        alternateId:
+          type: string
+          example: "my-alternate-id"
     RestCmHandleProperties:
       type: object
       additionalProperties: