feat: use sendTransaction for OIS (#2555)

* feat: use sendTransaction for OIS

* remove integration test

* fix type

* fix format

* fix type

Author: keyvankhademi

apps/staking/src/hooks/use-api.tsx

@@ -195,13 +195,15 @@ const useApiContext = (
               publicKey: wallet.publicKey,
               signAllTransactions: wallet.signAllTransactions,
               signTransaction: wallet.signTransaction,
+              sendTransaction: wallet.sendTransaction,
             },
           })
         : undefined,
     [
       wallet.publicKey,
       wallet.signAllTransactions,
       wallet.signTransaction,
+      wallet.sendTransaction,
       connection,
     ],
   );