[SVE] Switch from string-based cli API to the SDK API using ReadClients.

[yufengwangca]

Reproduction steps

Currently, we use the string-based command handling in Fabric-Admin example app, to help integrate to the final product, we need to replace it with API which use read/write clients in the SDK.

For example

https://github.com/project-chip/connectedhomeip/blob/master/examples/fabric-admin/commands/pairing/DeviceSynchronization.cpp#L186

https://github.com/project-chip/connectedhomeip/blob/master/examples/fabric-admin/commands/pairing/DeviceSynchronization.cpp#L155

Bug prevalence

Always

GitHub hash of the SDK that was being used

c4cdbf6

Platform

raspi

Platform Version(s)

No response

Type

Test Improvement

Testing

Manually tested with SDK

(Optional) If manually tested please explain why this is only manually tested

No response

Anything else?

No response