tweak: doors unlock the collider on the up flank

src/base-environments/transition/code/subway_train.gd

@@ -10,8 +10,4 @@ class_name SubwayTrain
 		else:
 			%TrainModel/AnimationPlayer.play("door_close")
 
-func _ready() -> void:
-	%TrainModel/AnimationPlayer.animation_finished.connect(_on_animation_finished)
-
-func _on_animation_finished(_discard) -> void:
 		%FrontWallClosed.disabled = door_open

src/logic-scenes/interactable/interactable.gd

@@ -31,6 +31,9 @@ var tween: Tween = null
 func _ready() -> void:
 	assert(note and frame and canvas_layer, "Interactable must have views and frame attached")
 
+	# how did this ever work?
+	await get_tree().process_frame
+
 	if interaction:
 		playable = interaction.instantiate() as Control
 		canvas_layer.add_child(playable)