fix: spawn capsule floor-aligned in test level

debug/test_level_builder.gd

@@ -71,7 +71,7 @@ func _build_input_map() -> void:
 
 
 func _build_floor() -> void:
-	_box_static(Vector3(0, -1.1, 0), Vector3(30, 0.4, 30), Color(0.35, 0.25, 0.15))
+	_box_static(Vector3(0, 0.0, 0), Vector3(30, 1.0, 30), Color(0.35, 0.25, 0.15))
 
 
 func _build_walls() -> void:
@@ -94,7 +94,7 @@ func _build_lighting() -> void:
 func _build_player() -> void:
 	var player := CharacterBody3D.new()
 	player.name = "Player"
-	player.position = Vector3(0, 1.5, 8)
+	player.position = Vector3(0, 1.4, 8)
 	add_child(player)
 	var shape := CollisionShape3D.new()
 	shape.shape = CapsuleShape3D.new()
@@ -142,6 +142,8 @@ func _build_player() -> void:
 		sm._ready()
 	if player.has_method("_ensure_process"):
 		player._ensure_process()
+	if sm.has_method("set_physics_process"):
+		sm.set_physics_process(true)
 
 
 func _build_ui() -> void: