fix(test): add ResizeObserver polyfill and fix WebDAV accordion target in settings test

tests/components/SettingsDialog.test.tsx

@@ -339,8 +339,9 @@ describe("SettingsPage Component", () => {
     });
 
     fireEvent.click(screen.getByText("settings.tabAdvanced"));
-    fireEvent.click(screen.getByText("settings.advanced.data.title"));
+    fireEvent.click(screen.getByText("settings.advanced.cloudSync.title"));
     expect(screen.getByText("webdav-sync-section:none")).toBeInTheDocument();
+    fireEvent.click(screen.getByText("settings.advanced.data.title"));
 
     // 有文件时，点击导入按钮执行 importConfig
     fireEvent.click(

tests/setupGlobals.ts

@@ -1,3 +1,12 @@
+// Polyfill ResizeObserver for jsdom/happy-dom
+if (typeof globalThis.ResizeObserver === "undefined") {
+  globalThis.ResizeObserver = class ResizeObserver {
+    observe() {}
+    unobserve() {}
+    disconnect() {}
+  } as unknown as typeof globalThis.ResizeObserver;
+}
+
 const storage = new Map<string, string>();
 
 if (