[PVE-User] HA migration behaviour vs. failures

[Dietmar Maurer]

> Even in the worst scenario, imho the HA service should never be disabled but
> relocated.

OK, I changed the behavior:

https://git.proxmox.com/?p=qemu-server.git;a=commitdiff;h=debe88829e468928271c6d0baf6592b682a70c46
https://git.proxmox.com/?p=pve-manager.git;a=commitdiff;h=c0a008a8b3e1a4938b10cbd09f7be403ce17f1cb

Would be great if you can test?