Changes to Submit an agent claim

added the new optional request property quantity

the request property additionalDescription became optional

added the new required request property additionalDescription

added the new required request property claimTypeName

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

removed the request property amount

removed the request property description

added the non-success response with the status 400

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

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

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

endpoint added