Align admin theme with Tamagui v2

resources/js/setupTests.ts

@@ -20,3 +20,19 @@ vi.mock('react-i18next', async () => {
     Trans: ({ children }: { children: React.ReactNode }) => children,
   };
 });
+
+if (typeof window !== 'undefined' && !window.matchMedia) {
+  Object.defineProperty(window, 'matchMedia', {
+    writable: true,
+    value: (query: string) => ({
+      matches: false,
+      media: query,
+      onchange: null,
+      addListener: vi.fn(),
+      removeListener: vi.fn(),
+      addEventListener: vi.fn(),
+      removeEventListener: vi.fn(),
+      dispatchEvent: vi.fn(),
+    }),
+  });
+}