If I set a startup shell in the conemu config and use this config within conemu integration it isn't taken into account.
Setting:

Open ConEmu using ConEmu inside

This was originally a request from the user xsxxxxx on the page of the Visual Studio extension:
https://visualstudiogallery.msdn.microsoft.com/a0536370-40e4-4141-8f51-5f00d0434012