fix(libnotification):超时时间默认单位统一设置为毫秒

libukui-notification/popup-notification.cpp

@@ -55,7 +55,7 @@ public:
     QString m_display;
     QStringList m_actionState;
     bool m_noFold = false;
-    int m_popupTimeout = 6;
+    int m_popupTimeout = 6000; //ms
 };
 }
 using namespace UkuiNotification;
@@ -290,7 +290,7 @@ void PopupNotification::setHints(const QVariantMap &hints)
                 break;
             case 1: //中等级，弹窗时间默认6秒
                 setUrgency(Urgency::NormalUrgency);
-                d->m_popupTimeout = 6;
+                d->m_popupTimeout = 6000;
                 break;
             case 2: //高等级，默认弹窗常驻，不可折叠
                 setUrgency(Urgency::CriticalUrgency);