Fix spamming startup error messages for projects without splash logo

RELEASE-NOTES.md

@@ -45,6 +45,7 @@ END TEMPLATE-->
 
 * `ActorComponent` now has the `UnsavedComponentAttribute`
   * Previously it was unintentionally get serialized to yaml, which could result in NREs when deserializing.
+* Don't spam error messages on startup trying to draw splash logos for projects that don't have one.
 
 ### Other
 

Robust.Client/Graphics/LoadingScreenManager.cs

@@ -208,6 +208,9 @@ internal sealed class LoadingScreenManager : ILoadingScreenManager
 
     private void DrawSplash(IRenderHandle handle, ref Vector2i startLocation, float scale)
     {
+        if (string.IsNullOrEmpty(_splashLogo))
+            return;
+
         if (!_resourceCache.TryGetResource<TextureResource>(_splashLogo, out var textureResource))
             return;