Device: Fix diskAddRootUserNSEntry to add root mapping only if it's required #13332
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Fix diskAddRootUserNSEntry logic to correcly handle case when we have not-groupped UID/GID mapping like this:
[{true false 1000 0 1} {false true 1000 0 1}]
because right now it assumes that mapping should be like [{true true 1000 0 1}]
which is logically equivalent.
This become noticable after my change in #12718, before that this issue in logic was reproducible only if user will do something like this:
cat << EOF
uid $(id -u) 1000000
gid $(id -g) 1000000
EOF
) | lxc config set idmap raw.idmap -
which is an extremely rare usecase.
Fixes: #13325