Widen mancheck target to all pages, fix them

mandoc: ./man/man8/zfs-mount-generator.8.in:188:2:

ERROR: skipping end of block that is not open: RE

mandoc: ./man/man8/zfs_ids_to_path.8:38:2:

ERROR: skipping unknown macro: .LP

mandoc: ./man/man8/zfs_ids_to_path.8:48:2:

ERROR: inserting missing end of block: Sh breaks Bl

mandoc: ./man/man8/zfs-wait.8:69:2:

ERROR: skipping end of block that is not open: El

mandoc: ./man/man8/zfs-program.8:460:2:

ERROR: inserting missing end of block: It breaks Bd

mandoc: ./man/man8/zfs-mount-generator.8:188:2:

ERROR: skipping end of block that is not open: RE

mandoc: ./man/man8/zstream.8:43:2:

ERROR: skipping unknown macro: .LP

mandoc: ./man/man8/zstream.8:107:2:

ERROR: inserting missing end of block: Sh breaks Bl

mandoc: ./man/man8/zstream.8:107:2:

ERROR: inserting missing end of block: Sh breaks Bl

make: *** [Makefile:1529: mancheck] Error 1

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Ahelenia Ziemiańska <nabijaczleweli@nabijaczleweli.xyz>
Issue #12017