ceph: fix condition
ceph: fix condition

If the secret is not found, we create it, but once it was created we
were actually returning an error. The failure for getting the config
secret must be if the error is not that the secret is not found.

Signed-off-by: Sébastien Han <62d754cc350e84d3b1c32ae79f976f5348e74a40@redhat.com>

rook/rook,rook/nfs,rook/rook,rook/nfs,rook/rook,rook/rook,rook/rook,rook/nfs