Merge branch...

Merge branch 'Rel_19_CR0103_28.536_Enhance_the_isUnique_property_for_stage_3_OpenAPI' into 'Integration_Rel19_SA5_157_YAML'

Rel_19_CR0103_28.536_Enhance_the_isUnique_property_for_stage_3_OpenAPI

See merge request !1423