Create anydata fields for object properties with custom data types

[aneeshafedo]

Description:
In the current client generation, when an unknown data type is defined in a schema, we return an error saying

Unsupported OAS data type

The better approach would be to generate those fields with anydata type without breaking the workflow.

Sample OpenAPI:

BookedRooms:
      title: BookedRooms
      type: object
      properties: 
        roomType:
          type: xxx
        name: 
          type: string

Here the type is an unknown type xxx.

Please also check whether we are returning this error in any other cases where we can generate with anydata type.

Affected version: 2201.8.0

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[lnash94]

This fix is with 2201.10.0