49: Use common wallet transaction flow for SOL transfers

src/main/tjava/com/r35157/cryptowallet/solana/impl/ref/SolanaWalletImpl.tjava

@@ -64,10 +64,7 @@ public class SolanaWalletImpl implements SolanaWallet {
                         amount
                 );
 
-        SolanaSignedTransaction signedTransaction =
+        return signAndSendTransaction(unsignedTransaction);
-                signTransaction(unsignedTransaction);
-
-        return solanaBlockChain.sendTransaction(signedTransaction);
     }
 
     @Override
@@ -80,10 +77,7 @@ public class SolanaWalletImpl implements SolanaWallet {
                         recipient
                 );
 
-        SolanaSignedTransaction signedTransaction =
+        return signAndSendTransaction(unsignedTransaction);
-                signTransaction(unsignedTransaction);
-
-        return solanaBlockChain.sendTransaction(signedTransaction);
     }
 
     @Override