fix: card_board was unable to return a solid Array[Draggable]

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

@@ -54,7 +54,7 @@ func _ready() -> void:
 
 func set_line(line: StringName):
 	subway.set_line(line)
-	
+
 ## One arrival and departure
 func cycle() -> void:
 	await arrive()

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

@@ -5,4 +5,4 @@ class_name Station
 @export var train_labels : Dictionary[StringName,String] = {}
 
 func get_label(line: StringName, next_stop: Station) -> String:
-	return train_labels.get(line+next_stop.name, line+next_stop.name)
+	return train_labels.get(line+next_stop.name, line+next_stop.name)

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

@@ -19,4 +19,3 @@ func set_line(line : StringName):
 	$TrainModel/traun_hull.material_overlay = materials[line]
 	$TrainModel/LineLabelBack.text = line.to_upper()
 	$TrainModel/LineLabelFront.text = line.to_upper()
-		

src/dev-util/room.gd

@@ -46,10 +46,10 @@ func start_room_async():
 
 func play() -> String:
 	for i in range(20): await get_tree().process_frame #HACK - can probably be removed
-	
+
 	await get_ready_async()
 	await start_room_async()
-	
+
 	var next_room : StringName = await proceed
 	prints("----------", "PROCEEDING", next_room, "--------------")
 	return next_room

src/logic-scenes/board/card-board.gd

@@ -545,15 +545,22 @@ var dropzone_size: Vector2:
 var _selection_candidates : Array[Draggable]:
 	get:
 		match selection_state:
-			SelectionState.CARDS: return cards as Array[Draggable]
-			SelectionState.STICKIES: return notes as Array[Draggable]
+			SelectionState.CARDS:
+				return as_draggable(cards)
+			SelectionState.STICKIES:
+				return as_draggable(notes)
 			SelectionState.FREE:
 				print("switching from free selection to guided stickies selection")
 
 		# Otherwise default to sticky selection
 		selection_state = SelectionState.STICKIES
-		return notes as Array[Draggable]
+		return as_draggable(notes)
 
+func as_draggable(items : Array) -> Array[Draggable]:
+	var result : Array[Draggable] = []
+	for item in items:
+		result.append(item)
+	return result
 
 # === Util ===