style(admin): unify dialog layouts and dense readonly presentation

src/modules/customers/pages/CustomerDetailView.test.ts

@@ -121,6 +121,11 @@ describe('CustomerDetailView', () => {
 
     expect(downloadTenantQualification).toHaveBeenCalledWith(tenant.id, '/files/license.png')
     expect(document.querySelector('img[alt="license.png预览"]')).not.toBeNull()
+    expect(document.querySelector('.customer-qualification-preview .el-dialog__title')?.textContent).toBe('查看资质文件 · TEN8')
+    expect(document.querySelector('.customer-preview-filename')?.textContent).toBe('license.png')
+    document.querySelector<HTMLButtonElement>('.customer-qualification-preview button[aria-label="展开全屏"]')!.click()
+    await flushPromises()
+    expect(document.querySelector('.customer-qualification-preview.is-fullscreen img')?.getAttribute('src')).toBe('blob:qualification-preview')
   })
 
   it('reloads a reused detail view and ignores the previous customer response', async () => {