Update strict

src/app/pages/uikit/messagesdemo.ts

@@ -1,6 +1,6 @@
 import { CommonModule } from '@angular/common';
 import { Component } from '@angular/core';
-import {MessageService } from 'primeng/api';
+import { MessageService, ToastMessageOptions } from 'primeng/api';
 import { ButtonModule } from 'primeng/button';
 import { InputTextModule } from 'primeng/inputtext';
 import { ToastModule } from 'primeng/toast';
@@ -53,7 +53,7 @@ import { FormsModule } from '@angular/forms';
 })
 export class MessagesDemo {
 
-    msgs = [];
+    msgs: ToastMessageOptions[] | null = [];
 
     username: string | undefined