Merge branch...

Merge branch 'TS28.541_Rel18_CR1154_corrections_to_ManagedFunction_containment_implemention_in_OpenAPI_SS' into 'Integration_Rel18_SA5_153_YAML'

Rel18 TS28.541 CR1154 corrections_to_ManagedFunction_containment_implemention_in_OpenAPI_SS

See merge request !1004