Implement builder component path properties (keys, labels).
`builder_path_key`
List of complete path components with keys. This includes layout components.
`builder_path_label`
List of complete path components with labels. This includes layout components.
`builder_input_path_key`
List of input components in path with keys. This only includes input components, so no layout components.
`builder_input_path_label`
List of input components in path with labels. This only includes input components, so no layout components.
Also propagate this as first official release 1.0.0