earlier, we're always logging when `GetValue` method is
called to get operator config values which somettime
spamming the logs for example `ROOK_WATCH_FOR_NODE_FAILURE`
keep logging every time 5 min.
Now, we'll store the settings in the map and log only when
map key value is changed.
Signed-off-by: subhamkrai <srai@redhat.com>
(cherry picked from commit 733be02577)