dockerCommandRunInstallUser sudo's to the unprivileged docker install user but
inherited the caller's cwd. At install time the caller is root in /root, which
that user can't enter, so cwd-sensitive tools failed — e.g. 'find: Failed to
change directory: /root' / 'Failed to restore initial working directory'
during the app scan (the scan still worked via the absolute start path, but
the errors are noise and could bite other commands). Add env --chdir to the
install user's HOME for both the argv and shell exec paths so every runFileOp
runs from a directory the user can access.
Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
Signed-off-by: librelad <librelad@digitalangels.vip>
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