Thank you for reporting a bug to Unity.
We have reviewed the issue carefully, and in this case, the team is unable to prioritize fixing this bug as this is functioning as designed. Our user manual states that this value doesn't update when paused. Please review our manual for more context or other solutions. https://docs.unity3d.com/ScriptReference/Time-time.html
Today we will be closing this case. Thank you again for taking the time to report this issue, and please let us know if there is anything else that changes the impact or severity of this issue.