Clean up expand_directory and reset expanded list properly

        if paths[-1] in self.expanded:

            return

        # TODO: refactor/clean this up as it's confusing

        # Query for the new subdirectories to display in the view

        new_directories = self.model.get_directories(Path(paths[-1]))

        current_level: Any = self.directories

        # Find the entry in the existing directories that corresponds to the directory to expand

        current_level: Dict[str, Any] = {}

        children: List[Dict[str, Any]] = self.directories

        for current_path in paths:

            if isinstance(current_level, Dict):

                current_level = current_level["children"]

            if current_level:

                children = current_level["children"]

            for entry in current_level:

            for entry in children:

                if current_path == entry["path"]:

                    current_level = entry

                    break

        current_level["children"] = new_directories

        # Mark this directory as expanded and display the new content

        self.expanded.append(paths[-1])

        self.directories_bind.update_in_view(self.directories)

    def reset(self) -> None:

        self.model.set_directory("")

        self.directories = self.model.get_directories()

        self.expanded = []

        self.reset_bind.update_in_view(None)

    def on_state_updated(self, results: Dict[str, Any]) -> None: