We would like to let you know that we are not able to provide the quick info template for the particular events alone based on their type. When we use the template it will be applicable for all the event popup and cell popup. But it would be possible by using the default element structure within the template. You can differentiate the cell quick popup and event popup by checking it elementType.
var contentTemplateVue = Vue.component("contentTemplate", {
template: `
<div v-if="$data.elementType === 'cell'">
/// Customize the default cell content
</div>
<div v-else">
<div v-if="$data.data.Type === 'Not Available'">
<h1>Hello World!</h1>
</div>
<div v-else>
/// Customize the default event content
</div>
</div>`,
});
Sample: https://codesandbox.io/s/vue-openeditor-issue-forked-rxv963?file=/src/App.vue
Kindly try the above solution and get back to us if you need any further assistance.