Fix template function DateTime (#24317)

Before, 500 error


![image](https://user-images.githubusercontent.com/2114189/234170176-403ffd1b-ec27-42be-bff9-86184dc8d74d.png)

templates/admin/packages/list.tmpl

@@ -65,7 +65,7 @@
 							{{end}}
 							</td>
 							<td>{{FileSize .CalculateBlobSize}}</td>
-							<td>{{DateTime "short" .Version.CreatedUnix.FormatLong .Version.CreatedUnix.FormatShort}}</td>
+							<td>{{DateTime "short" .Version.CreatedUnix}}</td>
 							<td><a class="delete-button" href="" data-url="{{$.Link}}/delete?page={{$.Page.Paginater.Current}}&sort={{$.SortType}}" data-id="{{.Version.ID}}" data-name="{{.Package.Name}}" data-data-version="{{.Version.Version}}">{{svg "octicon-trash"}}</a></td>
 						</tr>
 					{{end}}