fix: Use error constant

Author: huggingbot

packages/seedless-onboarding-controller/src/SeedlessOnboardingController.test.ts

@@ -1731,7 +1731,7 @@ describe('SeedlessOnboardingController', () => {
             },
           ),
         ).rejects.toThrow(
-          'PrimarySrp cannot be added via addNewSecretData. Use createToprfKeyAndBackupSeedPhrase instead.',
+          SeedlessOnboardingControllerErrorMessage.PrimarySrpCannotBeAddedViaAddNewSecretData,
         );
       });
     });

packages/seedless-onboarding-controller/src/SeedlessOnboardingController.ts

@@ -534,7 +534,7 @@ export class SeedlessOnboardingController<
   ): Promise<void> {
     if (dataType === EncAccountDataType.PrimarySrp) {
       throw new Error(
-        'PrimarySrp cannot be added via addNewSecretData. Use createToprfKeyAndBackupSeedPhrase instead.',
+        SeedlessOnboardingControllerErrorMessage.PrimarySrpCannotBeAddedViaAddNewSecretData,
       );
     }
 

packages/seedless-onboarding-controller/src/constants.ts

@@ -60,4 +60,5 @@ export enum SeedlessOnboardingControllerErrorMessage {
   FailedToFetchAuthPubKey = `${controllerName} - Failed to fetch latest auth pub key`,
   InvalidPasswordOutdatedCache = `${controllerName} - Invalid password outdated cache provided.`,
   FailedToRefreshJWTTokens = `${controllerName} - Failed to refresh JWT tokens`,
+  PrimarySrpCannotBeAddedViaAddNewSecretData = `${controllerName} - PrimarySrp cannot be added via addNewSecretData. Use createToprfKeyAndBackupSeedPhrase instead.`,
 }