CA-87757: Allow VM operator and above to set task.other_config:XenCenterMeddlingActionTitle
CA-87757: Allow VM operator and above to set task.other_config:XenCenterMeddlingActionTitle

Signed-off-by: John Else <37b74501daa612e48fea94f9846ed4ddeb6a8f07@citrix.com>

robhoes/squeezed,sharady/xcp-networkd,djs55/xcp-rrdd,djs55/xcp-networkd,johnelse/xcp-rrdd,djs55/xcp-rrdd,koushikcgit/xcp-networkd,koushikcgit/xcp-rrdd,djs55/squeezed,johnelse/xcp-rrdd,koushikcgit/xcp-rrdd,koushikcgit/xcp-rrdd,koushikcgit/xcp-networkd,sharady/xcp-networkd,djs55/xcp-networkd,simonjbeaumont/xcp-rrdd,simonjbeaumont/xcp-rrdd