chore: fix git check fails while error handling

Ticket: CAAS-7

Author: Gautam2305

modules/sdk-core/src/bitgo/wallet/wallet.ts

@@ -2201,7 +2201,11 @@ export class Wallet implements IWallet {
       ];
     } catch (err) {
       if (err || (err instanceof Error && err.message.includes('unable to decrypt keychain'))) {
-        throw new Error('unable to decrypt keychain with the given wallet passphrase');
+        const error: Error & { code?: string } = new Error(
+          `unable to decrypt keychain with the given wallet passphrase`
+        );
+        error.code = 'wallet_passphrase_incorrect';
+        throw error;
       } else {
         throw new Error(`Failed to process transaction: ${err.message}`);
       }