Fix the GPU type of line lights

Assets/ScriptableRenderLoop/HDRenderLoop/Lighting/TilePass/TilePass.cs

                                 if (areaLightCount >= k_MaxAreaLightsOnSCreen)
                                     continue;
                                 lightCategory = LightCategory.Area;
-                                gpuLightType = GPULightType.Rectangle;
+                                gpuLightType = GPULightType.Line;
                                 lightVolumeType = LightVolumeType.Box;
                                 ++areaLightCount;
                                 break;