ambient: support multicluster VMs

[kdorosh]

Describe the feature request

in #45471 and #45621 ambient support for workload entries and service entries was added. this initial support did not use multicluster clients to read resources from both clusters.

additional context: #45471 (comment)

Describe alternatives you've considered

for feature parity, we need to support reading from multiple clusters

Affected product area (please put an X in all that apply)

[x] Ambient
[ ] Docs
[ ] Installation
[ ] Networking
[ ] Performance and Scalability
[ ] Extensions and Telemetry
[ ] Security
[ ] Test and Release
[ ] User Experience
[ ] Developer Infrastructure

Affected features (please put an X in all that apply)

[x] Multi Cluster
[x] Virtual Machine
[ ] Multi Control Plane

Additional context

[afro-coder]

Hi @kdorosh would it be possible to close this issue since the PR is merged?

[kdorosh]

i see this was resolved in #46734