fix: a flaky test

Author: ChengShi-1

tests/component/sections/dataset/dataset-files/files-table/file-actions/edit-files-menu/EditFilesOptions.spec.tsx

@@ -305,7 +305,7 @@ describe('EditFilesOptions for a single file', () => {
     cy.findByRole('dialog').should('exist')
     cy.findByText('The file will be unrestricted.').should('exist')
     cy.findByRole('button', { name: /Save Changes/i }).click()
-    cy.findByRole('dialog').should('not.exist')
+    cy.get('.modal.show', { timeout: 5000 }).should('not.exist')
     cy.findByText(/The file has been unrestricted./).should('exist')
   })