LU-16286 ldiskfs: add ext4_find_delayed_extent patch to more series

LU-16286 ldiskfs: add ext4_find_delayed_extent patch to more series

Add rhel8.4/ext4-optimize-find_delayed_extent.patch to RHEL 8.7
and RHEL 8.8 ldiskfs patch series.

Test-Parameters: trivial fstype=ldiskfs \
clientdistro=el8.7 serverdistro=el8.7 testlist=sanity

Test-Parameters: trivial fstype=ldiskfs \
clientdistro=el8.8 serverdistro=el8.8 testlist=sanity

Change-Id: I9940ed20e0addfcf2c34db955bd6d36844a268df
Fixes: 3dd73b5c5d61 ("LU-16286 ldiskfs: reimplement nodelalloc optimization")
Signed-off-by: Jian Yu <yujian@whamcloud.com>
Reviewed-on: https://review.whamcloud.com/c/fs/lustre-release/+/50820
Tested-by: jenkins <devops@whamcloud.com>
Tested-by: Maloo <maloo@whamcloud.com>
Reviewed-by: Andreas Dilger <adilger@whamcloud.com>
Reviewed-by: Li Dongyang <dongyangli@ddn.com>
Reviewed-by: Oleg Drokin <green@whamcloud.com>