[Yandex] GetBodyPart() throws `Syntax error in BODY. Unexpected token: ')'` for MimeParts with empty content about mailkit HOT 3 CLOSED

S: * 1 FETCH (UID 3016 BODY[2.MIME] {389}
S: Content-Disposition: attachment;
S: 	filename="=?UTF-8?B?0KHRh9C10YIg0LTQtCDQotC+0L8t0JrQvtGE0LUg0YPQuy4g0KPRgNCw0LvRjNGB0LrQsNGPLCDQtC4x?=
S: 	=?UTF-8?B?INC90L7Rj9Cx0YDRjC5wZGY=?="
S: Content-Transfer-Encoding: base64
S: Content-Type: application/pdf;
S: 	name="=?UTF-8?B?0KHRh9C10YIg0LTQtCDQotC+0L8t0JrQvtGE0LUg0YPQuy4g0KPRgNCw0LvRjNGB0LrQsNGPLCDQtC4x?=
S: 	=?UTF-8?B?INC90L7Rj9Cx0YDRjC5wZGY=?="
S: 
S:  BODY[2] )

S: * 1 FETCH (UID 3016 BODY[2.MIME] {389}
S: Content-Disposition: attachment;
S: 	filename="=?UTF-8?B?0KHRh9C10YIg0LTQtCDQotC+0L8t0JrQvtGE0LUg0YPQuy4g0KPRgNCw0LvRjNGB0LrQsNGPLCDQtC4x?=
S: 	=?UTF-8?B?INC90L7Rj9Cx0YDRjC5wZGY=?="
S: Content-Transfer-Encoding: base64
S: Content-Type: application/pdf;
S: 	name="=?UTF-8?B?0KHRh9C10YIg0LTQtCDQotC+0L8t0JrQvtGE0LUg0YPQuy4g0KPRgNCw0LvRjNGB0LrQsNGPLCDQtC4x?=
S: 	=?UTF-8?B?INC90L7Rj9Cx0YDRjC5wZGY=?="
S: 
S:  BODY[2] "")

S: * 1 FETCH (UID 3016 BODY[2.MIME] {389}
S: Content-Disposition: attachment;
S: 	filename="=?UTF-8?B?0KHRh9C10YIg0LTQtCDQotC+0L8t0JrQvtGE0LUg0YPQuy4g0KPRgNCw0LvRjNGB0LrQsNGPLCDQtC4x?=
S: 	=?UTF-8?B?INC90L7Rj9Cx0YDRjC5wZGY=?="
S: Content-Transfer-Encoding: base64
S: Content-Type: application/pdf;
S: 	name="=?UTF-8?B?0KHRh9C10YIg0LTQtCDQotC+0L8t0JrQvtGE0LUg0YPQuy4g0KPRgNCw0LvRjNGB0LrQsNGPLCDQtC4x?=
S: 	=?UTF-8?B?INC90L7Rj9Cx0YDRjC5wZGY=?="
S: 
S:  BODY[2] NIL)

S: * 1 FETCH (UID 3016 BODY[2.MIME] {389}
S: Content-Disposition: attachment;
S: 	filename="=?UTF-8?B?0KHRh9C10YIg0LTQtCDQotC+0L8t0JrQvtGE0LUg0YPQuy4g0KPRgNCw0LvRjNGB0LrQsNGPLCDQtC4x?=
S: 	=?UTF-8?B?INC90L7Rj9Cx0YDRjC5wZGY=?="
S: Content-Transfer-Encoding: base64
S: Content-Type: application/pdf;
S: 	name="=?UTF-8?B?0KHRh9C10YIg0LTQtCDQotC+0L8t0JrQvtGE0LUg0YPQuy4g0KPRgNCw0LvRjNGB0LrQsNGPLCDQtC4x?=
S: 	=?UTF-8?B?INC90L7Rj9Cx0YDRjC5wZGY=?="
S: 
S:  BODY[2] {0}
S:  )