refactor(editor): Turn showMessage mixin to composable (#6081)

* refactor(editor): move $getExecutionError from showMessages mixin to pushConnection (it is used there only)

* refactor(editor): resolve showMessage mixin methods

* fix(editor): use composable instead of mixin

* fix(editor): resolve conflicts

* fix(editor): replace clearAllStickyNotifications

* fix(editor): replace confirmMessage

* fix(editor): replace confirmMessage

* fix(editor): replace confirmMessage

* fix(editor): remove last confirmMessage usage

* fix(editor): remove $prompt usage

* fix(editor): remove $show methods

* fix(editor): lint fix

* fix(editor): lint fix

* fix(editor): fixes after review

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

@@ -62,17 +62,22 @@ import type { INodeTypeDescription, IWebhookDescription } from 'n8n-workflow';
 
 import { WEBHOOK_NODE_TYPE } from '@/constants';
 import { copyPaste } from '@/mixins/copyPaste';
-import { showMessage } from '@/mixins/showMessage';
+import { useToast } from '@/composables';
 import { workflowHelpers } from '@/mixins/workflowHelpers';
 
 import mixins from 'vue-typed-mixins';
 
-export default mixins(copyPaste, showMessage, workflowHelpers).extend({
+export default mixins(copyPaste, workflowHelpers).extend({
 	name: 'NodeWebhooks',
 	props: [
 		'node', // NodeUi
 		'nodeType', // INodeTypeDescription
 	],
+	setup() {
+		return {
+			...useToast(),
+		};
+	},
 	data() {
 		return {
 			isMinimized: this.nodeType && this.nodeType.name !== WEBHOOK_NODE_TYPE,
@@ -95,7 +100,7 @@ export default mixins(copyPaste, showMessage, workflowHelpers).extend({
 			const webhookUrl = this.getWebhookUrlDisplay(webhookData);
 			this.copyToClipboard(webhookUrl);
 
-			this.$showMessage({
+			this.showMessage({
 				title: this.$locale.baseText('nodeWebhooks.showMessage.title'),
 				type: 'success',
 			});