conforms file names to consistant standard

ui/menus/RadioMenu/choose_cassette_screen.gd

@@ -0,0 +1,39 @@
+class_name ChooseCassetteScreen extends Control
+
+signal cassette_chosen(cassette: Cassette)
+
+@export var choice_buttons: VBoxContainer
+@export var cassette_desc: cassetteDescriptionUI
+@export var cassette_name_label: Label
+
+var choices: Array[Cassette] = []
+var chosen_cassette: Cassette = null
+var side_a: bool = true
+
+
+func add_cassettes(cassettes: Array[Cassette]) -> void:
+	var x: int = 0
+	for cassette: Cassette in cassettes:
+		var button: Button = Button.new()
+		button.text = tr(cassette.display_name)
+		button.pressed.connect(choose_cassette.bind(x))
+		choices.append(cassette)
+		choice_buttons.add_child(button)
+		x += 1
+	choose_cassette(0)
+
+
+func choose_cassette(choice: int) -> void:
+	chosen_cassette = choices[choice]
+	cassette_name_label.text = tr(chosen_cassette.display_name)
+	choose_side(side_a)
+
+
+func choose_side(side_a_chosen: bool) -> void:
+	side_a = side_a_chosen
+	cassette_desc.set_cassette(chosen_cassette, side_a)
+
+
+func _on_confirm_button_pressed() -> void:
+	cassette_chosen.emit(chosen_cassette)
+	queue_free()