Create a new ASP.NET Core Web Application (.NET Core) project, build the solution succeeded but not generate "[projectName].runtimeconfig.dev.json" and "[projectName].runtimeconfig.json"

[MiaomiaoHuangfu]

Create a new ASP.NET Core Web Application (.NET Core) project, build the solution succeeded but not generate "[projectName].runtimeconfig.dev.json" and "[projectName].runtimeconfig.json".

Repro build: d15prerel.26022.05 & d15prerel.26027.00

[nguerrera]

This should be fixed by dotnet/websdk#87 and aspnet/Templates#774