Find the node in the component_tree from component_path.

    Args:
      component_path: A list of components which reference a node in the
        component tree. This allows us to resume processing in the tree.

    Returns:
      A node in the component_tree.

def FindNode(self, component_path):
    """Find the node in the component_tree from component_path.

    Args:
      component_path: A list of components which reference a node in the
        component tree. This allows us to resume processing in the tree.

    Returns:
      A node in the component_tree.
    """
    # Find the node that the component path is referring to.
    node = self.state.component_tree
    for component in component_path:
      node = node[component]

    return node