LU-16397 test: check quota setting on QSD

LU-16397 test: check quota setting on QSD

In some case, the quota setting at QMT could not be transfered to
QSD in time, which could cause the test to fail.
This patch adds check on QSD after setting the quota limit by LFS.

Lustre-change: https://review.whamcloud.com/49533/
Lustre-commit: TBD (from 76a7ad75740639b9255c51277ff65ce261379af6)

Test-Parameters: trivial testlist=sanity-quota
Change-Id: Ia999317a36a0f97c1f66726cdc10e9edac3d8a53
Signed-off-by: Hongchao Zhang <hongchao@whamcloud.com>
Reviewed-on: https://review.whamcloud.com/c/ex/lustre-release/+/53402
Tested-by: jenkins <devops@whamcloud.com>
Tested-by: Maloo <maloo@whamcloud.com>
Reviewed-by: Andreas Dilger <adilger@whamcloud.com>