Fix Gem dropdown tooltip not updating when hovering over gems (#9146)

The list was using the gemInstance of the top gem whenever you hovered over any of the gems to it never updated.
Used the same method as in PoB 2 with a slight difference to handle gem quality

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

src/Classes/GemSelectControl.lua

@@ -480,7 +480,23 @@ function GemSelectClass:Draw(viewPort, noTooltip)
 			local calcFunc, calcBase = self.skillsTab.build.calcsTab:GetMiscCalculator(self.build)
 			if calcFunc then
 				self.tooltip:Clear()
-				local output, gemInstance = self:CalcOutputWithThisGem(calcFunc, self.gems[self.list[self.hoverSel]], self:GetQualityType(self.list[self.hoverSel]), self.skillsTab.sortGemsByDPSField == "FullDPS")
+				local gemData = self.gems[self.list[self.hoverSel]]
+				local qualityType = self:GetQualityType(self.list[self.hoverSel])
+				local output= self:CalcOutputWithThisGem(calcFunc, gemData, qualityType, self.skillsTab.sortGemsByDPSField == "FullDPS")
+				local gemInstance = {
+						level = self.skillsTab:ProcessGemLevel(gemData),
+						qualityId = qualityType,
+						quality = self.skillsTab.defaultGemQuality or 0,
+						count = 1,
+						enabled = true,
+						enableGlobal1 = true,
+						enableGlobal2 = true,
+						gemId = gemData.id,
+						nameSpec = gemData.name,
+						skillId = gemData.grantedEffectId,
+						displayEffect = nil,
+						gemData = gemData
+					}
 				self:AddGemTooltip(gemInstance)
 				self.tooltip:AddSeparator(10)
 				self.skillsTab.build:AddStatComparesToTooltip(self.tooltip, calcBase, output, "^7Selecting this gem will give you:")