Monsters spawned from spawners go out of LeashRange range.
Summary
Describe the bug encountered in detail.
Steps to reproduce
If the monster spawns and goes out of the LeashRange, it comes back Second, third, as the number of times increases, monsters that do not return as spawners gradually appear. Even though I set LeashRange to be larger than ActivationRange, the same problem appears repeatedly. In addition, as a result of constantly observing the monster that came out of the spawner, it eventually returned to the spawner over time. But in the end, it went back five to ten minutes after coming out of the spawner. The same problem was found on all spawners in the server
Current behavior
If a monster goes out of the spawner's LeashRange, it will immediately respawn from the spawner..
Intended correct behavior
Describe what you think should happen instead of the bug.
Server log file
Since there is no server log file, the video is attached instead. https://www.youtube.com/watch?v=_JkiZtF3d4I
Debug log snippet
Provide a link to a Pastebin paste with an excerpt of your latest.log file that includes debug output where you trigger the bugged behavior.
Proposed fixes
Describe what you think the issue or any potential fixes may be.