emitting UI geometry for offscreen cameras too (case 1344969 fix) (#5894)

Author: manuele-bonanno

com.unity.render-pipelines.universal/Runtime/UniversalRenderPipeline.cs

@@ -396,10 +396,11 @@ static void RenderSingleCamera(ScriptableRenderContext context, CameraData camer
 #if UNITY_EDITOR
                 // Emit scene view UI
                 if (isSceneViewCamera)
-                {
                     ScriptableRenderContext.EmitWorldGeometryForSceneView(camera);
-                }
+                else
 #endif
+                if (cameraData.camera.targetTexture != null && cameraData.cameraType != CameraType.Preview)
+                    ScriptableRenderContext.EmitGeometryForCamera(camera);
 
                 var cullResults = context.Cull(ref cullingParameters);
                 InitializeRenderingData(asset, ref cameraData, ref cullResults, anyPostProcessingEnabled, out var renderingData);