Restore bracketed paste mode after external editor exit (#13606)

packages/cli/src/gemini.test.tsx

@@ -62,6 +62,10 @@ vi.mock('@google/gemini-cli-core', async (importOriginal) => {
         write: vi.fn(),
       },
     })),
+    enableMouseEvents: vi.fn(),
+    disableMouseEvents: vi.fn(),
+    enterAlternateScreen: vi.fn(),
+    disableLineWrapping: vi.fn(),
   };
 });