Merge pull request #23970 from noahdesu/mgr-always-on-mods-v2

mgr: always on modules v2

Reviewed-by: John Spray <john.spray@redhat.com>

diff --cc src/common/options.cc
Simple merge

diff --cc src/mgr/Mgr.cc
Simple merge

diff --cc src/mgr/PyModuleRegistry.cc
Simple merge

diff --cc src/mgr/PyModuleRegistry.h
Simple merge

diff --cc src/vstart.sh
Simple merge