d5fc368503
Commit a000e26ce7 caused a test failure
in pve-manager, because now 'keep-all=0' is not thrown out upon
validation anymore. Fix the issue the commit addressed differently,
by simply creating a copy of the (shallow) hash first, and using
the logic from before the commit.
Reported-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
Signed-off-by: Fabian Ebner <f.ebner@proxmox.com>