[backport core/1.34] fix: loading api-format workflow that contains "parameters" string (#7516)

Backport of #7411 to `core/1.34`

Automatically created by backport workflow.

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page](https://www.notion.so/PR-7516-backport-core-1-34-fix-loading-api-format-workflow-that-contains-parameters-string-2ca6d73d365081438d19fd6ed3272684)
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Co-authored-by: Christian Byrne <cbyrne@comfy.org>
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Co-authored-by: coderabbitai[bot] <136622811+coderabbitai[bot]@users.noreply.github.com>

browser_tests/tests/loadWorkflowInMedia.spec.ts

@@ -12,6 +12,7 @@ test.describe('Load Workflow in Media', () => {
     'edited_workflow.webp',
     'no_workflow.webp',
     'large_workflow.webp',
+    'workflow_prompt_parameters.png',
     'workflow.webm',
     // Skipped due to 3d widget unstable visual result.
     // 3d widget shows grid after fully loaded.