[Backport] xapi_vm: Implement RBAC checking for keys in VM.other_config and VM.platform#7046

robhoes merged 3 commits intoxapi-project:26.1-lcmxapi-project/xen-api:26.1-lcmfrom

robhoes:26.1-lcmrobhoes/xen-api:26.1-lcmCopy head branch name to clipboard