Fix bug with deltaT and the first tick of a print

[vintagepc]

Description

Fixes a crash if the first E tick of a 3d print happens after the cycle count is > UINT32_MAX

[codecov-io]

Codecov Report

Merging #278 into master will decrease coverage by 0.01%.
The diff coverage is 50.00%.

@@            Coverage Diff             @@
##           master     #278      +/-   ##
==========================================
- Coverage   88.56%   88.55%   -0.02%     
==========================================
  Files         138      138              
  Lines        6358     6360       +2     
==========================================
+ Hits         5631     5632       +1     
- Misses        727      728       +1     

Impacted Files	Coverage Δ
utility/MK3SGL.cpp	89.14% <50.00%> (-0.16%)	⬇️

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