ui: ceph status: avoid messing with internal state of warning grid

ui: ceph status: avoid messing with internal state of warning grid

inline the transformation for the health store and also avoid setting
raw data from the outside

and drop some bogus comments along the way, first one should mostly
use "why?" not "what happens?" comments and second, commenting
straight forward things always makes one pause and recheck everything
far to often, as a comment indicates there something non-obvious
happening.

Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>