improvements to Imbued GemSelect, process/buildFlag less often and clean up imbued after fully backspacing

Author: Peechey

src/Classes/GemSelectControl.lua

@@ -378,7 +378,9 @@ end
 
 function GemSelectClass:UpdateGem(setText, addUndo)
 	local gemId = self.list[m_max(self.selIndex, 1)]
-	if self.buf:match("%S") and self.gems[gemId] then
+	local bufMatchesGem = (self.gems[gemId] and self.buf:lower() == self.gems[gemId].name:lower()) -- currently only for imbued GemControl: don't process unless the buffer equals an actual gem, whether typed, clicked, or navigated with arrows
+
+	if self.gems[gemId] and (not self.imbuedSelect or bufMatchesGem) then
 		self.gemId = gemId
 	else
 		self.gemId = nil

src/Classes/SkillsTab.lua

@@ -233,10 +233,14 @@ local SkillsTabClass = newClass("SkillsTab", "UndoHandler", "ControlHost", "Cont
 			self.controls.imbuedSupport.inactiveCol = data.skillColorMap[gem.grantedEffect.color]
 			self.build.buildFlag = true
 		else
+			local cleanUp = self.imbuedSupportBySlot[targetSlot]
 			self.imbuedSupportBySlot[targetSlot] = nil
 			if updateDisplayGroup then
 				self.displayGroup.imbuedSupport = nil
 			end
+			if cleanUp then -- an imbued existed before clearing it, so reprocess
+				self.build.buildFlag = true
+			end
 		end
 	end, true, true)
 	local function isImbuedEnabled() -- socketedIn must be set and the displayGroup must have an imbued, otherwise disable the imbued dropdown
@@ -251,9 +255,7 @@ local SkillsTabClass = newClass("SkillsTab", "UndoHandler", "ControlHost", "Cont
 	self.controls.imbuedSupportClear = new("ButtonControl", { "LEFT", self.controls.imbuedSupportLabel, "RIGHT" }, { 260, 0, 20, 20}, "x", function()
 		self.controls.imbuedSupport.gemId = nil
 		self.controls.imbuedSupport:SetText("")
-		self.displayGroup.imbuedSupport = nil
-		self.imbuedSupportBySlot[self.displayGroup.slot] = nil
-		self.build.buildFlag = true
+		self.controls.imbuedSupport:gemChangeFunc(nil)
 	end)
 	self.controls.imbuedSupportClear.enabled = function()
 		return isImbuedEnabled()