triple check that the only ".NET 7" thing about the new template is the new [progress properties](https://devblogs.microsoft.com/dotnet/asp-net-core-updates-in-dotnet-7-preview-7/#new-blazor-loading-page). <!-- Edit the body of your new issue then click the ✓ "Create Issue" button in the top right of the editor. The first line will be the issue title. Assignees and Labels follow after a blank line. Leave an empty line before beginning the body of the issue. -->
triple check that the only ".NET 7" thing about the new template is the new progress properties.