fix(e2e): stabilize authenticated unlock flows

e2e/specs/mock/unlock-message/image-unlock-insufficient-credits.spec.ts

@@ -1,7 +1,10 @@
 import { expect, test } from "@playwright/test";
 
 import { mockCoreApis } from "@e2e/fixtures/api-mocks";
-import { paidImageMessageId } from "@e2e/fixtures/test-data";
+import {
+  paidImageDisplayMessageId,
+  paidImageMessageId,
+} from "@e2e/fixtures/test-data";
 import {
   clearBrowserState,
   defaultCharacterChatPath,
@@ -12,7 +15,7 @@ import {
 } from "@e2e/fixtures/test-helpers";
 
 const paidImageOverlayUrl = new RegExp(
-  `${defaultCharacterChatPath}\\?image=${paidImageMessageId}$`,
+  `${defaultCharacterChatPath}\\?image=${encodeURIComponent(paidImageDisplayMessageId)}$`,
 );
 
 test.beforeEach(async ({ baseURL, context, page }) => {