@Nonnull
	public DirectoryChooserBuilder setInitialDirectory(@Nonnull ObservableString initialDirectory) {
		File file = initialDirectory.unboxingMap(File::new);
		return setInitialDirectory(file);
	}
@param initialDirectory
		Dialog's initial directory to open within and have selected.

@return Self.
recaf-ui/src/main/java/software/coley/recaf/util/DirectoryChooserBuilder.java