MacOS Xcode Update

Updated the Xcode Project to Project Format 13.0 and deployment target of MacOS 10.13. Added new files to Xcode project and updated the icon and version numbers.

engine/compilers/Xcode/Torque2D.xcodeproj/xcshareddata/xcschemes/Torque2D.xcscheme

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "1320"
+   LastUpgradeVersion = "1500"
    version = "1.3">
    <BuildAction
       parallelizeBuildables = "YES"

engine/compilers/Xcode/Torque2D/Torque2D-Info.plist

@@ -24,15 +24,15 @@
 	<key>CFBundleIconFile</key>
 	<string>torque2d</string>
 	<key>CFBundleIdentifier</key>
-	<string>com.garagegames.${PRODUCT_NAME:rfc1034identifier}</string>
+	<string>$(PRODUCT_BUNDLE_IDENTIFIER)</string>
 	<key>CFBundleInfoDictionaryVersion</key>
 	<string>6.0</string>
 	<key>CFBundleName</key>
 	<string>${PRODUCT_NAME}</string>
 	<key>CFBundlePackageType</key>
 	<string>APPL</string>
 	<key>CFBundleShortVersionString</key>
-	<string>1.0</string>
+	<string>4.0.0 ea3</string>
 	<key>CFBundleSignature</key>
 	<string>????</string>
 	<key>CFBundleVersion</key>
@@ -42,7 +42,7 @@
 	<key>NSHighResolutionCapable</key>
 	<false/>
 	<key>NSHumanReadableCopyright</key>
-	<string>Copyright © 2012 GarageGames, LLC. All rights reserved.</string>
+	<string>Copyright © 2023 Torque Game Engines and Garage Games, LLC. Available to use under the MIT License.</string>
 	<key>NSMainNibFile</key>
 	<string>MainMenu</string>
 	<key>NSPrincipalClass</key>

engine/source/gui/guiTreeViewCtrl.h

@@ -32,7 +32,6 @@ class GuiTreeViewCtrl : public GuiListBoxCtrl
 {
 private:
 	typedef GuiListBoxCtrl Parent;
-	class TreeItem;
 
 	enum class ReorderMethod { Above, Below, Insert };
 	S32 mFocusLevel;