Changes to Create invoice

the lineItems/items/discountAmount request property format changed from no format to float

the lineItems/items/price request property format changed from no format to float

the lineItems/items/quantity request property format changed from no format to float

the lineItems/items/taxAmount request property format changed from no format to float

removed the required property lineItems/items/total from the response with the 200 status

removed the request property lineItems/items/total