Changes to List fundraising page donations

the response property allOf[subschema #2]/data/items/allOf[subschema #1: Transaction]/is_reprocess became nullable for the status 200

added the optional property allOf[subschema #2]/data/items/allOf[subschema #1: Transaction]/context/oneOf[subschema #1: Transaction Context]/created_by_source to the response with the 200 status

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