Changes to Show campaign details

added the media type application/json for the response with the status 401

added the media type application/json for the response with the status 404

added the non-success response with the status 403

added the optional property measurementCampaign/allOf[#/components/schemas/CampaignWithParentAndChildren]/allOf[#/components/schemas/CampaignWithParent]/allOf[subschema #2]/pixel/brand/domain to the response with the 200 status

added the optional property measurementCampaign/allOf[#/components/schemas/CampaignWithParentAndChildren]/allOf[subschema #2]/ads/items/oneOf[#/components/schemas/BakedInAd]/allOf[subschema #2]/cohorts to the response with the 200 status

added the optional property measurementCampaign/allOf[#/components/schemas/CampaignWithParentAndChildren]/allOf[subschema #2]/ads/items/oneOf[#/components/schemas/DisplayAd]/allOf[subschema #2]/cohorts to the response with the 200 status

added the optional property measurementCampaign/allOf[#/components/schemas/CampaignWithParentAndChildren]/allOf[subschema #2]/ads/items/oneOf[#/components/schemas/DynamicAd]/allOf[subschema #2]/cohorts to the response with the 200 status