refactor(editor): Remove unused PageAlert.vue component (#10915)

packages/editor-ui/src/components/PageAlert.vue

@@ -1,49 +0,0 @@
-<script lang="ts">
-import { defineComponent } from 'vue';
-import type { NotificationHandle } from 'element-plus';
-import { sanitizeHtml } from '@/utils/htmlUtils';
-import { useToast } from '@/composables/useToast';
-
-export default defineComponent({
-	name: 'PageAlert',
-	props: {
-		message: {
-			type: String,
-			required: true,
-		},
-		popupClass: {
-			type: String,
-		},
-	},
-	setup() {
-		return {
-			toast: useToast(),
-		};
-	},
-	data() {
-		return {
-			alert: null as NotificationHandle | null,
-		};
-	},
-	mounted() {
-		this.alert = this.toast.showAlert({
-			title: '',
-			message: sanitizeHtml(this.message),
-			type: 'warning',
-			duration: 0,
-			showClose: true,
-			dangerouslyUseHTMLString: true,
-			customClass: this.popupClass || '',
-		});
-	},
-	beforeUnmount() {
-		if (this.alert) {
-			this.alert.close();
-		}
-	},
-});
-</script>
-
-<template>
-	<span v-show="false" />
-</template>