chore: explicitly share error message used for logic

src/views/ImportAccountView.vue

@@ -92,6 +92,7 @@ import {
   retrieveAccountCount,
   importFromMnemonic,
   checkForDuplicateAccount,
+  DUPLICATE_ACCOUNT_ERROR,
 } from "../libs/util";
 import { PlatformServiceMixin } from "@/utils/PlatformServiceMixin";
 import { createNotifyHelpers, TIMEOUTS } from "@/utils/notify";
@@ -245,7 +246,7 @@ export default class ImportAccountView extends Vue {
       // Check if this is a duplicate account error from saveNewIdentity
       const errorMessage =
         error instanceof Error ? error.message : String(error);
-      if (errorMessage.includes("Cannot import duplicate account")) {
+      if (errorMessage.includes(DUPLICATE_ACCOUNT_ERROR)) {
         this.notify.warning(
           NOTIFY_DUPLICATE_ACCOUNT_IMPORT.message,
           TIMEOUTS.LONG,