ESDEV-2496 Fix subshop admin login issue oxUser::exists() fixes (cherry picked from commit 24992b5)
ESDEV-2496 Fix subshop admin login issue oxUser::exists() fixes (cherry picked from commit 1d9b266)
ESDEV-2496 Fix subshop admin login issue Integration tests (cherry picked from commit 59611b9)
ESDEV-2496 Fix subshop admin login issue Integration tests (cherry picked from commit 3ab1183)
ESDEV-2496 Fix subshop admin login issue Fixing multishop case, adding missing test for this case (cherry picked from commit 718f9b6)