The `this.messagePrefix + groupId + '_' + messageId` logic
is introduced since `6.2` via: 64f8ed5bab
The current fix for new `getMessageFromGroup()` and `removeMessageFromGroupById()`
is to retrieve group and then perform plain `get` and `delete` against just message id
Related to: https://github.com/spring-projects/spring-integration/issues/8773