feat(editor): hide the grid in scripting mode, like play mode

Play mode already turned the reference grid off so the running game is not
cluttered by editing aids. Scripting mode, which is how the breakout example
runs, left it on. It now hides the grid on start and restores it on stop,
after the scene restore so the value sticks.

Author: matthewjberger

apps/editor/worker/src/ecs/resources.rs

@@ -405,6 +405,7 @@ pub struct ScriptingState {
     pub active: bool,
     pub snapshot: Option<nightshade::ecs::scene::Scene>,
     pub restore_camera: Option<Entity>,
+    pub restore_show_grid: bool,
 }
 
 pub struct GenerationSettings {

apps/editor/worker/src/systems/scripting.rs

@@ -24,6 +24,8 @@ fn start(editor_world: &mut EditorWorld, world: &mut World) {
         world.resources.active_camera = Some(camera);
     }
     editor_world.resources.scripting.active = true;
+    editor_world.resources.scripting.restore_show_grid = world.resources.debug_draw.show_grid;
+    world.resources.debug_draw.show_grid = false;
     world.resources.physics.enabled = true;
     world.resources.script_runtime.enabled = true;
     nightshade::ecs::physics::resources::physics_world_wake_all(&mut world.resources.physics);
@@ -40,6 +42,7 @@ fn stop(editor_world: &mut EditorWorld, world: &mut World) {
     if let Some(scene) = editor_world.resources.scripting.snapshot.take() {
         crate::systems::project_io::restore_gameplay_scene(editor_world, world, &scene);
     }
+    world.resources.debug_draw.show_grid = editor_world.resources.scripting.restore_show_grid;
 }
 
 /// The scene's own camera: the first camera entity that is not editor