Ajout de la cinématique de début et refonte du système audio

Et toujours un peu de correction de bug par ci par là

gui/game/win/scripts/win.gd

@@ -13,7 +13,7 @@ func win(region : Region):
 func _on_restart_pressed():
 	GameInfo.game_data.reset_all()
 	get_tree().paused = false
-	SceneManager.change_scene("REGION_SELECTION")
+	SceneManager.change_to_scene_id("REGION_SELECTION")
 
 func _on_quit_pressed():
 	get_tree().quit()

gui/pause/scripts/pause.gd

@@ -17,7 +17,7 @@ func set_pause(p):
     %Controls.close_controls()
     if p : 
         Input.mouse_mode = Input.MOUSE_MODE_VISIBLE
-    elif GameInfo.game_data.actual_scene.mouse_captured:
+    elif SceneManager.actual_scene.mouse_captured:
         Input.mouse_mode = Input.MOUSE_MODE_CAPTURED
     
     if not p:

gui/pointer/scripts/pointer.gd

@@ -72,7 +72,7 @@ func _process(delta):
 
         can_use_item = could_use_item and have_energy_to_use_item
 
-    if current_selected_item and GameInfo.game_data.actual_scene.scene_id == "REGION":
+    if current_selected_item and SceneManager.actual_scene.scene_id == "REGION":
         %ActionZone.radius = current_selected_item.usage_zone_radius
         %ActionZone.color = ZONE_ACTIVATED_COLOR if can_use_item else ZONE_DEACTIVATED_COLOR
     else: