added EmpoweredSpell stage detection

added empowered spell stage detection

src/Unit/Unit.lua

@@ -439,7 +439,7 @@ function Unit:GetEmpowerStage()
         for i = 1, totalStages do
             stageDuration = stageDuration + GetUnitEmpowerStageDuration((self:GetOMToken()), i - 1) / 1000
             if startTime + stageDuration > currentTime then
-                break -- Break early so we don't keep checking, we haven't hit this stage yet
+                break
             end
             stage = i
         end