Fix Infused Spark Cast time (#2361)

We were adding the 0.5s cast time as a total time mod instead of adding to the base 0.7s cast time

Co-authored-by: LocalIdentity <localidentity2@gmail.com>

Author: LocalIdentity

src/Data/SkillStatMap.lua

@@ -2272,7 +2272,7 @@ return {
 	div = 1000,
 },
 ["base_spell_cast_time_ms"] = {
-	mod("TotalCastTime", "BASE", nil),
+	mod("Speed", "BASE", nil, ModFlag.Cast),
 	div = 1000,
 },
 ["active_skill_cast_speed_+%_final"] = {

src/Modules/CalcOffence.lua

@@ -2743,7 +2743,7 @@ function calcs.offence(env, actor, activeSkill)
 					baseTime = 1 / ( source.AttackRate or 1 ) + skillModList:Sum("BASE", cfg, "Speed")
 				end
 			else
-				baseTime = skillData.castTimeOverride or activeSkill.activeEffect.grantedEffect.castTime or 1
+				baseTime = (skillData.castTimeOverride or activeSkill.activeEffect.grantedEffect.castTime or 1) + skillModList:Sum("BASE", cfg, "Speed")
 			end
 			local more = skillModList:More(cfg, "Speed")
 			output.Repeats = globalOutput.Repeats or 1