The SELinux volume-permissions NOTE only applies to unprivileged,
rootless containers on an SELinux-enabled host. Emit it only when
both conditions hold, instead of on every volume-bearing object.
Add an e2e case generating from a standalone container with a volume,
asserting the NOTE appears only when rootless and SELinux is enabled.
Fixes: #17743
Signed-off-by: i-OmSharma <sharmaom1201@gmail.com>