Sprite refactor (#63)

* Sprite refactor compatibility.

* Sprite-level rotation.

* Dude it works.

Welder now has an unshaded flame toggle!

Door component no longer on client!

* Remove debug text.

* Update.

Content.Client/UserInterface/HandsGui.cs

@@ -208,7 +208,7 @@ namespace Content.Client.UserInterface
         {
             if (entity.TryGetComponent<IconComponent>(out var component) && component.Icon != null)
             {
-                return component.Icon;
+                return component.Icon.Default;
             }
             return IoCManager.Resolve<IResourceCache>().GetFallback<TextureResource>();
         }