Changes to List API-visible leads.

added the new enum value POST_AUTHOR to the query request parameter engagementType

added the required property allOf[subschema #2]/data/items/contact/contactPhone to the response with the 200 status

added the required property allOf[subschema #2]/data/items/contact/contactPhoneStatus to the response with the 200 status

added the required property allOf[subschema #2]/data/items/contact/personalEmail to the response with the 200 status

added the required property allOf[subschema #2]/data/items/contact/personalEmailStatus to the response with the 200 status

added the required property allOf[subschema #2]/data/items/contact/workEmail to the response with the 200 status

added the required property allOf[subschema #2]/data/items/contact/workEmailStatus to the response with the 200 status

added the required property allOf[subschema #2]/data/items/profile/currentCompany to the response with the 200 status

added the required property allOf[subschema #2]/data/items/profile/displayName to the response with the 200 status

added the required property allOf[subschema #2]/data/items/profile/headline to the response with the 200 status

added the required property allOf[subschema #2]/data/items/profile/location to the response with the 200 status

added the required property allOf[subschema #2]/data/items/profile/profileUrl to the response with the 200 status

added the required property allOf[subschema #2]/data/items/signal to the response with the 200 status

the query request parameter tier was restricted to a list of enum values

for the query request parameter limit, default value was changed from 25 to 50

for the query request parameter cursor, the maxLength was set to 256

added the new optional query request parameter companyNames

added the new optional query request parameter dateFrom

added the new optional query request parameter dateTo

added the new optional query request parameter disposition

added the new optional query request parameter dispositions

added the new optional query request parameter engagementType

added the new optional query request parameter engagementTypes

added the new optional query request parameter leadTiers

added the new optional query request parameter maxIcpMatchPercent

added the new optional query request parameter monitoredProfileId

added the new optional query request parameter monitoredProfileIds

added the new optional query request parameter origin

added the new optional query request parameter ownerId

added the new optional query request parameter ownerIds

added the new optional query request parameter postId

added the new optional query request parameter query

added the new enum value NURTURE to the query request parameter tier

added the new enum value PRIORITY to the query request parameter tier

added the new enum value QUALIFIED to the query request parameter tier

added the new enum value UNQUALIFIED to the query request parameter tier

the response's body type changed from object to no type for status 200

removed the required property data from the response with the 200 status

removed the required property page from the response with the 200 status

added PageEnvelope subschema #2 to the response body allOf list for the response status 200

the response's body type changed from no type to object for status 200

removed PageEnvelope subschema #2 from the response body allOf list for the response status 200

added the required property data to the response with the 200 status

added the required property page to the response with the 200 status