do not create session if already exists (fixes https://github.com/Starcounter/Starcounter/issues/1811)
do not create session if already exists (fixes https://github.com/Starcounter/Starcounter/issues/1811)

StarcounterSamples/People,StarcounterSamples/People,StarcounterPrefabs/Launcher,StarcounterSamples/People,StarcounterSamples/Skyper,StarcounterSamples/People,StarcounterPrefabs/Launcher,StarcounterPrefabs/Launcher,StarcounterSamples/Skyper,StarcounterSamples/Skyper