ui: ceph/Pools: defuse min_size warning

ui: ceph/Pools: defuse min_size warning

we should not warn for ceph's built-in default value for min_size as
having the min_size half of the size (rounded up) is ok and even the
default for ceph

Since there seems to be no 'quorum based' pg inconsistency recovery[0],
only a copy from the authoritative osd, there is nothing wrong
with setting that.

0: https://docs.ceph.com/en/latest/rados/operations/pg-repair/

Signed-off-by: Dominik Csapak <d.csapak@proxmox.com>
Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>