fix: v0.1.19 — валидация VisibilityTimeout/WaitTimeSeconds/пустой MessageBody, fix hardcore_test LONG_Q length

app/gosqs/send_message.go

@@ -35,6 +35,9 @@ func SendMessageV1(req *http.Request) (int, interfaces.AbstractResponseBody) {
 	}
 
 	messageBody := requestBody.MessageBody
+	if messageBody == "" {
+		return utils.CreateErrorResponseV1("MissingParameter", true)
+	}
 	messageGroupID := requestBody.MessageGroupId
 	messageDeduplicationID := requestBody.MessageDeduplicationId