fix: Handle scheduled events close to current time gracefully

[FrederikBolding]

When an event is supposed to be scheduled immediately there is a chance that by the time we get to schedule it the time left is less than 0 milliseconds. In that case we should just execute immediately. This is most likely to happen during initialization.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 98.24%. Comparing base (b814848) to head (75d6586).
Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #3510   +/-   ##
=======================================
  Coverage   98.24%   98.24%           
=======================================
  Files         407      407           
  Lines       11485    11488    +3     
  Branches     1782     1783    +1     
=======================================
+ Hits        11283    11286    +3     
  Misses        202      202           

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