chore: 修复了设置窗口大小失败的问题，现在Packaged强制设置窗口大小（DefaultGameUserSettings.ini和蓝图共同生效）

Config/DefaultGame.ini

@@ -9,11 +9,3 @@ InsertPack=(PackSource="StarterContent.upack",PackName="StarterContent")
 
 [SectionsToSave]
 +Section=StartupActions
-
-[/Script/Engine.GameUserSettings]
-bUseDesiredScreenResolution=True
-DesiredScreenWidth=1600
-DesiredScreenHeight=900
-FullscreenMode=2  ; 0 = Fullscreen, 1 = WindowedFullscreen, 2 = Windowed
-LastConfirmedFullscreenMode=2
-bAllowWindowResize=True

Config/DefaultGameUserSettings.ini

@@ -0,0 +1,11 @@
+[/Script/Engine.GameUserSettings]
+bUseVSync=False
+ResolutionSizeX=1600
+ResolutionSizeY=900
+LastUserConfirmedResolutionSizeX=1600
+LastUserConfirmedResolutionSizeY=900
+WindowPosX=-1
+WindowPosY=-1
+FullscreenMode=2
+LastConfirmedFullscreenMode=2  
+Version=5