Changes to POST /v23/customers/:customerId/recommendations:apply

removed the request body

removed the media type */* for the response with the status 200

added the new optional request property operations/items/callAsset/adAssetApplyParameters/newAssets/items/syntheticContentInfo

added the new optional request property operations/items/calloutAsset/adAssetApplyParameters/newAssets/items/syntheticContentInfo

added the new optional request property operations/items/leadFormAsset/adAssetApplyParameters/newAssets/items/syntheticContentInfo

added the new optional request property operations/items/responsiveSearchAd/ad/syntheticContentInfo

added the new optional request property operations/items/responsiveSearchAdAsset/updatedAd/syntheticContentInfo

added the new optional request property operations/items/responsiveSearchAdImproveAdStrength/updatedAd/syntheticContentInfo

added the new optional request property operations/items/sitelinkAsset/adAssetApplyParameters/newAssets/items/syntheticContentInfo

added the new optional request property operations/items/textAd/ad/syntheticContentInfo