ceph: helm update variable enableCephFSSnapshotter
ceph: helm update variable enableCephFSSnapshotter

this commit removes the casing error in helm.
`enableCephFSSnapshotter` in `values.yaml` does not
match the casing `enableCephfsSnapshotter` in `deployment.yaml`.

Signed-off-by: subhamkrai <bb6131f7fb4bb2a9ce18c6dfefd4c517b6b3ce6a@redhat.com>

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