Merge pull request #18596 from keszybz/systemctl-quiet-legend

systemctl: hide legends with --quiet, allow overriding

diff --cc man/systemctl.xml
Simple merge

diff --cc src/analyze/analyze.c
Simple merge

diff --cc src/busctl/busctl.c
Simple merge

diff --cc src/core/main.c
Simple merge

diff --cc src/partition/repart.c
Simple merge

diff --cc src/resolve/resolvectl.c
Simple merge

diff --cc src/systemctl/systemctl-list-jobs.c
Simple merge

diff --cc src/systemctl/systemctl-list-machines.c
Simple merge

diff --cc src/systemctl/systemctl-list-unit-files.c
Simple merge

diff --cc src/systemctl/systemctl-list-units.c
Simple merge

diff --cc src/systemctl/systemctl.c
Simple merge

diff --cc src/systemctl/systemctl.h
Simple merge