Fix compile error (#9)

* Fix compile error for Quixel Bridge

Widget SizeHint is not longer accessible

* Convert assets to a list so collection isn't modified during enumeration

.addon

@@ -10,5 +10,7 @@
   "ResourcePaths": null,
   "HasCode": true,
   "CodePath": "/code/",
+  "PackageReferences": [],
+  "EditorReferences": null,
   "Metadata": {}
 }

code/BridgeImporter.cs

@@ -31,7 +31,8 @@ public async Task ImportFrom( BridgeAsset quixelAsset )
 				var mdlPath = Path.Join( relativePath, $"{quixelAsset.Name.ToSourceName()}_{quixelAsset.Id}.vmdl" );
 
 				// Locate imported s&box asset
-				var engineAsset = AssetSystem.All.FirstOrDefault( x => x.Path.NormalizeFilename() == mdlPath.NormalizeFilename() );
+				var assets = AssetSystem.All.ToList();
+				var engineAsset = assets.FirstOrDefault( x => x.Path.NormalizeFilename() == mdlPath.NormalizeFilename() );
 
 				if ( engineAsset == null )
 				{

code/Progress/ProgressWindow.cs

@@ -53,7 +53,6 @@ protected override void DoLayout()
 		base.DoLayout();
 
 		Content.Size = Size;
-		Content.Height = Content.Children.Where( x => x.Visible ).Sum( x => MathF.Max( x.SizeHint.y, x.MinimumSize.y ) + 1 ) - 1;
 
 		Content.Position = new Vector2( 0, MenuWidget.Height );
 		Size = Content.Position + Content.Size + new Vector2( 0, 4 );