OSSM-8135: Update IS in service mesh overview topic

Author: rh-tokeefe

service_mesh/v3x/ossm-service-mesh-3-0-overview.adoc

@@ -1,5 +1,5 @@
 :_mod-docs-content-type: ASSEMBLY
-[id="ols-openshift-service-mesh-3-0-overview"]
+[id="ossm-openshift-service-mesh-3-0-overview"]
 include::_attributes/common-attributes.adoc[]
 = {SMProductShortName} overview
 :context: ossm-service-mesh-3-0-overview