Changes to POST /EXPERIMENTAL_changes_in_block

added subschema #1 subschema #2 subschema #3 subschema #4 to the oneOf[subschema #1]/result/changes/items response property oneOf list for the response status 200

removed subschema #1 subschema #2 subschema #3 subschema #4 from the oneOf[subschema #1]/result/changes/items response property oneOf list for the response status 200

added subschema #1 subschema #2 to the response body oneOf list for the response status 200

removed JsonRpcResponse_for_RpcStateChangesInBlockByTypeResponse_and_RpcStateChangesError_variant0 JsonRpcResponse_for_RpcStateChangesInBlockByTypeResponse_and_RpcStateChangesError_variant1 from the response body oneOf list for the response status 200

request property jsonrpc was restricted to a list of enum values

the request property id became optional

the request property jsonrpc became optional

the id request property default value dontcare was added

the jsonrpc request property default value 2.0 was added

added the new 2.0 enum value to the request property jsonrpc