Update profiling workflow instructions with missing step (#1718)

Co-authored-by: carlossanlop <carlossanlop@users.noreply.github.com>

docs/profiling-workflow-dotnet-runtime.md

@@ -73,6 +73,8 @@ C:\Projects\runtime\artifacts\bin\testhost\net6.0-windows-Release-x64\dotnet.exe
 C:\Projects\runtime\artifacts\bin\testhost\net6.0-windows-Release-x64\shared\Microsoft.NETCore.App\6.0.0\CoreRun.exe
 ```
 
+* But the dotnet/runtime build only produces the artifacts necessary for a _runtime_, not for an _sdk_. Visual Studio will require a full SDK to be able to compile your console app from the next step. One way to convert your generated _runtime_ into a full _sdk_, is to navigate to the `runtime\.dotnet\` folder, copy the `packs` and `sdk` folders located inside, and then paste them inside `runtime\artifacts\bin\testhost\net6.0-windows-Release-x64\`.
+
 Once you rebuild the part of [dotnet/runtime](https://github.com/dotnet/runtime) you are working on, the appropriate `.dll` gets updated and the next time you run profiler, dotnet|CoreRun is going to use the updated library.
 
 ```cmd