fix: 优化等待弹窗交互、人脸数据刷新及相机暂停逻辑

- BaseActivity: 等待对话框允许点击外部区域关闭
- LoginByFaceActivity: 恢复暂停相机时的预览帧处理
- PlcSettingActivity: 人脸数据更新成功后刷新人脸列表

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

app/src/main/java/com/sw/platecabinet/activity/LoginByFaceActivity.kt

@@ -799,7 +799,7 @@ class LoginByFaceActivity : BaseActivity<ActivityLoginFaceBinding>(),
 
     private fun pauseCamera() {
         isRecognition = false
-//        recognizeViewModel.onPreviewFrame(emptyFrame, true)
+        recognizeViewModel.onPreviewFrame(emptyFrame, true)
     }
 
 //    private fun judgeRecognizeState(): Boolean {