Trueshot (and Nesingwary's Trapping Apparatus) are incorrectly applying to the threshold line calculations.

Add a way to exclude threshold lines from this calculation.

Reported by Like via Discord:

Hello this is the normal bar where everything is like it should for Marksman Hunter
first mark is arcane shot, second is Aimed Shot
this is when i use trueshot the marks move and it looks like 1 aimed shot is useing 50% of my fokus
does someone know why this happens?