Fix Flame Breath attack rate calculation

spec/System/TestSkills_spec.lua

@@ -229,6 +229,31 @@ describe("TestSkills", function()
 		assert.True(baseCorruptingCryDps == build.calcsTab.mainOutput.CorruptingBloodDPS)
 	end)
 
+	it("Flame Breath attack speed scales DPS and is not capped by its channel cooldown", function()
+		build.itemsTab:CreateDisplayItemFromRaw([[
+			New Item
+			Roaring Talisman
+		]])
+		build.itemsTab:AddDisplayItem()
+		runCallback("OnFrame")
+
+		build.skillsTab:PasteSocketGroup("Flame Breath 20/0  1")
+		runCallback("OnFrame")
+
+		local baseSpeed = build.calcsTab.mainOutput.Speed
+		local baseDPS = build.calcsTab.mainOutput.TotalDPS
+
+		assert.True(baseSpeed > 1)
+		assert.True(baseDPS > 0)
+
+		build.configTab.input.customMods = "100% increased attack speed"
+		build.configTab:BuildModList()
+		runCallback("OnFrame")
+
+		assert.True(build.calcsTab.mainOutput.Speed > baseSpeed * 1.9)
+		assert.True(build.calcsTab.mainOutput.TotalDPS > baseDPS * 1.9)
+	end)
+
 	it("Test Atziri's Allure - ignore curse limit", function()
 		build.skillsTab:PasteSocketGroup("Elemental Weakness 20/0  1\nAtziri's Allure 1/0 1")
 		build.skillsTab:PasteSocketGroup("Flammability 20/0  1\n")

src/Data/SkillStatMap.lua

@@ -589,6 +589,9 @@ return {
 ["display_this_skill_cooldown_does_not_recover_during_buff"] = {
 	flag("NoCooldownRecoveryInDuration"),
 },
+["channelled_skill_do_not_go_on_cooldown_on_finishing_channel"] = {
+	flag("CooldownDoesNotLimitSkillSpeed"),
+},
 ["totem_skill_cast_speed_+%"] = {
 	mod("Speed", "INC", nil, ModFlag.Cast, KeywordFlag.Totem),
 },

src/Modules/CalcOffence.lua

@@ -2741,7 +2741,9 @@ function calcs.offence(env, actor, activeSkill)
 			end
 			if globalOutput.Cooldown then
 				output.Cooldown = globalOutput.Cooldown
-				output.Speed = m_min(output.Speed, 1 / output.Cooldown * output.Repeats)
+				if not skillModList:Flag(skillCfg, "CooldownDoesNotLimitSkillSpeed") then
+					output.Speed = m_min(output.Speed, 1 / output.Cooldown * output.Repeats)
+				end
 			end
 			if output.Cooldown and skillFlags.selfCast or skillData.maxHitRatePerEnemy or skillData.hitTimeOverride then
 				skillFlags.notAverage = true
@@ -2844,7 +2846,7 @@ function calcs.offence(env, actor, activeSkill)
 					t_insert(breakdown.Speed, s_format("= %.2f ^8(eff. attack rate)", output.Speed))
 				end
 				-- Cooldown:
-				if output.Cooldown and (1 / output.Cooldown) < output.CastRate then
+				if output.Cooldown and (1 / output.Cooldown) < output.CastRate and not skillModList:Flag(skillCfg, "CooldownDoesNotLimitSkillSpeed") then
 					t_insert(breakdown.Speed, s_format("\n"))
 					t_insert(breakdown.Speed, s_format("1 / %.2f ^8(skill cooldown)", output.Cooldown))
 					if output.Repeats > 1 then