add debug display hiding layout labels

scripts/debug/debug_key_display.gd

@@ -17,6 +17,11 @@ func _ready() -> void:
 	LayoutConfig.layout_swapped.connect(_set_layout_label)
 
 
+func _process(_delta: float) -> void:
+	_layout_label.visible = _keyboard.is_configuring
+	_layout_swap_label.visible = _keyboard.is_configuring
+
+
 func _unhandled_input(event: InputEvent) -> void:
 	if event is not InputEventKey or not event.is_pressed():
 		return

scripts/game_keyboard.gd

@@ -64,10 +64,11 @@ func _ready() -> void:
 	if Engine.is_editor_hint():
 		_generate_editor_keys()
 		return
-	_polyphonic = _sfx_player.get_stream_playback()
 	prompt_pages_total = ceili(LayoutConfig.layouts.size() / 9.0)
 	_generate_game_keys()
 	_reset_animations()
+	_sfx_player.play()
+	_polyphonic = _sfx_player.get_stream_playback()
 
 
 func _process(delta: float) -> void: