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

[RDR] UI should have the option to enable greenfield OSD for RDR cluster deployment 

Version of all relevant components (if applicable):


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.
2.
3.


Actual results:

Right now to have greenfield OSD deployment for RDR user has to manually create a storagecluster using cli and needs to set the below line in the yaml
spec:
  osdStore:
    type: bluestore-rdr 


Expected results:


Additional info: