Someone already confirmed the same bug above
https://f95zone.to/threads/glamour-v0-31-dark-silver.10579/post-4573315
Others say the bug is fixed in v.028 or earlier. I can only guess that it may be an omission in the bugfix for 0.3.1 , something like.. you knew you fixed it in v.2.8 so why fix it again in v.3.1.. except that some people may start playing with v.3.1 and then they don't have the fix from before.
But that's a non educated guess coz i'm not a coder.
FYI: I use the non cheat version of the fix. Maybe the cheat one has it fixed..
I would send you the save file immediately if i knew WHERE it is
Please advise
EDIT:
OK with the help of panalok I found the saves folder. I played again till after that dialogue appeared again and saved exactly after that. Here is the most recent file in that folder (doesn't look like a save file to me but what do i know .. this is not renpy).
PS: i went on playing after saving and the dialogues appeared again in the next break.