修复MainActivity中扫码枪按键事件触发页面按钮点击问题

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

app/src/main/java/com/sw/dualscreen/activity/MainActivity.kt

@@ -151,6 +151,8 @@ class MainActivity : BaseActivity<ActivityMainBinding>() {
     override fun initialize() {
         super.initialize()
         isPageVisible = true
+        // 拦截扫码枪按键事件，防止触发页面按钮点击
+        registerKeyEvent()
         addBackEventListener()
         initView()
         if (SpTool.firstGetFace) {