Fixed Rombot Spawn Timer Incorrect

Description of the bug: (optional screenshot/video): Topside rombot spawns on a 30 minute timer instead of a 20 minute timer.
What is supposed to happen?: Both rombots should be on a 20 minute spawn timer, per ML lib
Where did you find and/or notice this bug?: While card hunting rombots, I noticed the respawn of the Rombots always seemed to lack the top one, while the bottom one respawned right on the 20 min timer. The top one would spawn slightly later, but then synced on the ~1hr respawn. I tested the timer again, noting the bottom one is correct but the top one spawned at exactly 30min from last kill. Note that Rombots spawn after mob kills, unlike area bosses.
A step-by-step guide to re-producing this bug (optional): Sit at the map and kill things for 30 minutes like me
Extra information (optional):

 

Yep I am familiar with the spawn mechanics of the map. I literally sat there from the bottom spawn timer (20 min), killing mobs until top spawn at ~30min. Yes, I cleared the map, I had genesis on top half and roar on bottom half to clear more efficiently if that was any concern. I also kept timers on all 8 channels so it seems unlikely that all 8 channels would malfunction on both a full multiple map clears (I did multiple to reduce the not-spawn RNG) + 20 min respawn timer.

 

Based on my last card hunting endeavor about a year ago, these timers haven't changed. Haven't seen any patch notes addressing it since either.

 

I'm inclined to believe that Rombot is included in that list. However, all timers that I know of have a variance of +/-10%. Thus, the 20 minute timer of Rombot should fall between 18-22 minutes, definitely not 30. I've completed the Rombot set 4 times now as well as many other area boss sets 4x. I might have noticed that Rombot did not have area boss variance, but it's been so long tbh.

Edit: o wtf I just checked the library and the respawn time is updated to 30min