added timer for remove notification

luckydiamond/src/components/NotiicationwindowComponent.vue

@@ -14,6 +14,21 @@ import '@/assets/css/ComponentsStyles/notification.css'
 export default {
   props: {
     isAnimationOn: Boolean
+  },
+  emits: ['animationchange'],
+  methods: {
+    NotificationsTimer() {
+      setTimeout(() => {
+        this.$emit('animationchange', false)
+      }, 4000)
+    }
+  },
+  watch: {
+    isAnimationOn(newVal, oldVal) {
+      if (newVal !== oldVal) {
+        this.NotificationsTimer()
+      }
+    }
   }
 }
 </script>