Fix filetree SSR tab selection

rust/crates/mnote-web/src/routes/web_shell.rs

@@ -49,6 +49,7 @@ pub struct DocumentShellQuery {
     pub workspace_id: Option<String>,
     pub source_kind: Option<String>,
     pub root_uri: Option<String>,
+    pub tree_view: Option<String>,
     pub secondary_document_id: Option<String>,
     pub secondary_source_kind: Option<String>,
     pub secondary_root_uri: Option<String>,
@@ -142,6 +143,11 @@ pub async fn document_page_shell(
         .map(str::trim)
         .filter(|value| !value.is_empty())
         == Some("local_folder");
+    let requests_filetree_first = query
+        .tree_view
+        .as_deref()
+        .map(str::trim)
+        .is_some_and(|value| value == "filetree");
     let (sidebar_tree_html, file_tree_html) = if is_local_folder {
         let root_uri = query.root_uri.as_deref().unwrap_or_default();
         (
@@ -168,6 +174,11 @@ pub async fn document_page_shell(
         &workspace_projection,
         Some(sidebar_tree_html.as_str()),
         Some(file_tree_html.as_str()),
+        if requests_filetree_first {
+            Some("filetree")
+        } else {
+            None
+        },
     );
     let workspace_name = workspace_projection.workspace_name.clone();
     let page_subtree_json =