Add production bathymetric sonar slice

game/presentation/cockpit/cockpit_interior.tscn

@@ -395,6 +395,7 @@ mesh = SubResource("ScreenQuadMesh")
 material_override = SubResource("ScreenMaterial")
 
 [node name="SonarPlaceholder" type="Label3D" parent="SonarMonitor"]
+unique_name_in_owner = true
 position = Vector3(0, 0.025, 0.068)
 pixel_size = 0.0009
 font_size = 16