nextcloud-server/apps/files/js/templates/newfilemenu.handlebars

<ul>
	<li>
		<label for="file_upload_start" class="menuitem" data-action="upload" title="{{uploadMaxHumanFilesize}}" tabindex="0"><span class="svg icon icon-upload"></span><span class="displayname">{{uploadLabel}}</span></label>
	</li>
	{{#each items}}
		<li>
			<a href="#" class="menuitem" data-templatename="{{templateName}}" data-filetype="{{fileType}}" data-action="{{id}}"><span class="icon {{iconClass}} svg"></span><span class="displayname">{{displayName}}</span></a>
		</li>
	{{/each}}
</ul>