The generate code contains interfaces with duplicate names in latest cadl ranch

[v-jiaodi]

RLC versioning/removed

clientDefinitions.ts

export interface V2 {
  post(options: V2Parameters): StreamableMethod<V2200Response>;
}

export interface ModelV3 {
  /** This operation will pass different paths and different request bodies based on different versions. */
  post(options: ModelV3Parameters): StreamableMethod<ModelV3200Response>;
}

models.ts

export interface ModelV2 {
  prop: string;
  enumProp: EnumV2;
  unionProp: UnionV2;
}

export interface ModelV3 {
  id: string;
  enumProp: EnumV3;
}