Method refresh

packages/server/src/devtools.rs:1583–1594

(&mut self, query: DevToolsQuery)

impl DomCache {
    async fn refresh(&mut self, query: DevToolsQuery) -> Result<(), String> {
        let hierarchy = query(
            "View.getHierarchy".to_owned(),
            json!({
                "includeHidden": true,
                "maxDepth": 30,
            }),
        )
        .await?;
        self.rebuild(&hierarchy);
        Ok(())
    }

    fn rebuild(&mut self, hierarchy: &Value) {
        self.document_children.clear();