Export api.rx.call.* (#5106)

* Export api.rx.call.*

* Adjust

packages/api-base/src/types/api.ts

@@ -2,7 +2,7 @@
 // SPDX-License-Identifier: Apache-2.0
 
 import type { Observable } from 'rxjs';
-import type { DecoratedRpc, QueryableConsts, QueryableStorage, QueryableStorageMulti, SubmittableExtrinsics } from '@polkadot/api-base/types';
+import type { DecoratedRpc, QueryableCalls, QueryableConsts, QueryableStorage, QueryableStorageMulti, SubmittableExtrinsics } from '@polkadot/api-base/types';
 import type { RpcInterface } from '@polkadot/rpc-core/types';
 import type { Metadata } from '@polkadot/types';
 import type { Hash, RuntimeVersion } from '@polkadot/types/interfaces';
@@ -10,6 +10,7 @@ import type { Registry, Signer } from '@polkadot/types/types';
 
 // A smaller interface of ApiRx, used in derive and in SubmittableExtrinsic
 export interface ApiInterfaceRx {
+  call: QueryableCalls<'rxjs'>,
   consts: QueryableConsts<'rxjs'>;
   extrinsicType: number;
   genesisHash?: Hash;