10.0.0 fixes

- Fix Backdrop related XML errors
- Fix HorizontalSliderTemplate -> UISliderTemplate
- Wrap LFG panel in a nil check for now
- Fix progress bar getting stuck

Settings.xml

@@ -200,7 +200,7 @@
 			</Layer>
 		</Layers>
 		<Frames>
-			<Slider parentKey="Slider" inherits="HorizontalSliderTemplate">
+			<Slider parentKey="Slider" inherits="UISliderTemplate">
 				<Size y="17"/>
 				<Anchors>
 					<Anchor point="BOTTOMLEFT" x="30" y="5"/>

Templates.xml

@@ -215,19 +215,21 @@
 		</Scripts>
 	</Button>
 
-	<Frame name="WQT_ContainerTemplate" virtual="true">
+	<Frame name="WQT_ContainerTemplate" virtual="true" inherits="BackdropTemplate">
 		<Size x="296.5" y="518"/>
-		<Backdrop edgeFile="Interface\Tooltips\UI-Tooltip-Border" tile="true">
-			<EdgeSize>
-				<AbsValue val="12"/>
-			</EdgeSize>
-			<TileSize>
-				<AbsValue val="16"/>
-			</TileSize>
-			<BackgroundInsets>
-				<AbsInset left="0" right="0" top="5" bottom="5"/>
-			</BackgroundInsets>
-		</Backdrop>
+		<Scripts>
+			<OnLoad>
+				self:SetBackdrop({
+					edgeFile = "Interface\\Tooltips\\UI-Tooltip-Border",
+					tile = true,
+					tileEdge = true,
+					edgeSize = 12,
+					tileSize = 16,
+					insets = { left = 0, right = 0, top = 5, bottom = 5 },
+				});
+				self:ApplyBackdrop();
+			</OnLoad>
+		</Scripts>
 		<Frames>
 			<Frame parentKey="Inset" inherits="ShadowOverlaySmallTemplate">
 				<Anchors>

WorldQuestTab.lua

@@ -2074,12 +2074,13 @@ function WQT_CoreMixin:OnLoad()
 			WQT_WorldQuestFrame:TriggerCallback("QuestsLoaded")
 		end, addonName)
 
-	self.dataProvider:RegisterCallback("BufferUpdated", function(progress) 
-			if (progress == 0) then
+	self.dataProvider:RegisterCallback("BufferUpdated", function(progress)
+			if (progress == 0 or progress == 1) then
 				self.ProgressBar:Hide();
+			else
+				CooldownFrame_SetDisplayAsPercentage(self.ProgressBar, progress);
+				self.ProgressBar.Pointer:SetRotation(-progress*6.2831);
 			end
-			CooldownFrame_SetDisplayAsPercentage(self.ProgressBar, progress);
-			self.ProgressBar.Pointer:SetRotation(-progress*6.2831);
 		end, addonName)
 
 	-- Events
@@ -2298,7 +2299,8 @@ function WQT_CoreMixin:OnLoad()
 		end);
 
 	local LFGParent = LFGListSearchPanelScrollFrameScrollChild;
-	LFGParent.StartGroupButton:HookScript("OnClick", function() 
+	if LFGParent ~= nil then
+		LFGParent.StartGroupButton:HookScript("OnClick", function() 
 			-- If we are creating a group because we couldn't find one, show the info on the create frame
 			if InCombatLockdown() then return; end
 			local searchString = LFGListFrame.SearchPanel.SearchBox:GetText();
@@ -2317,6 +2319,7 @@ function WQT_CoreMixin:OnLoad()
 				WQT_GroupSearch:Show();
 			end
 		end)
+	end
 
 	-- Hook hiding of official pins if we replace them with our own
 	local mapWQProvider = WQT_Utils:GetMapWQProvider();

WorldQuestTab.xml

@@ -91,11 +91,12 @@
 		<Size x="28" y="29" />
 		<Layers>
 			<Layer level="BACKGROUND">
-				<Texture parentKey="Icon" file="Interface\ICONS\INV_Misc_QuestionMark"/>
-				<Anchors>
-					<Anchor point="TOPLEFT" x="1" y="-1"/>
-					<Anchor point="BOTTOMRIGHT" x="-1" y="1"/>
-				</Anchors>
+				<Texture parentKey="Icon" file="Interface\ICONS\INV_Misc_QuestionMark">
+					<Anchors>
+						<Anchor point="TOPLEFT" x="1" y="-1"/>
+						<Anchor point="BOTTOMRIGHT" x="-1" y="1"/>
+					</Anchors>
+				</Texture>
 			</Layer>
 			<Layer level="ARTWORK">
 				<FontString parentKey="Amount" inherits="WQT_NumberFontOutline" maxLines="1" justifyH="RIGHT">