mgr/dashboard: Increase max-width of popovers (#31743)

mgr/dashboard: Increase max-width of popovers

Reviewed-by: Kiefer Chang <kiefer.chang@suse.com>
Reviewed-by: Ricardo Marques <rimarques@suse.com>
Reviewed-by: Volker Theile <vtheile@suse.com>

diff --cc src/pybind/mgr/dashboard/frontend/src/styles.scss
Simple merge