Description of problem (please be detailed as possible and provide log
snippests):

[RDR] DRPC should report error message if feature is not supported

reference :- https://bugzilla.redhat.com/show_bug.cgi?id=2315846

Version of all relevant components (if applicable):

OCP version:- 4.17.0-0.nightly-2024-10-20-231827
ODF version:- 4.17.0-126

Does this issue impact your ability to continue to work with the product
(please explain in detail what is the user impact)?

Is there any workaround available to the best of your knowledge?

Rate from 1 - 5 the complexity of the scenario you performed that caused this
bug (1 - very simple, 5 - very complex)?

Can this issue reproducible?

Can this issue reproduce from the UI?

If this is a regression, please provide more details to justify this:

Steps to Reproduce:
1.Deploy cephfs workload
2.dr protect using the discovered app.
3. Check DRPC status and vrg status

Actual results:

If user DR protects a Cephfs backed discovered application, there is no error shown in DRPC, but vrg remains in an unknown state.

Above scenario happens when volsync support for discovered apps to off by default
Expected results:

Additional info: