media-type-examples-override won't work with json containing 'operationId'

[arnaudroubinet]

Describe the bug

Using media-type-examples-override, having in your example a field call operationId break the example replacement.

I'm sorry, I don't know how to add correct yaml into github issue.

Expected behavior
Example with operationId variable is managed

Redocly Version(s)
Docker image 1.25.15

To Reproduce

media-type-examples-override:
-> operationIds:
-> -> myEndpoint:
-> -> -> request:
-> -> -> -> application/mymediatype-1+json: /spec/examples/mymediatype/mymediatype-request.yaml

---

#Acceptable mymediatype-request.yaml content
WorkingExample:
-> summary: MyExampleSummary
-> value: {"operationzId": "myoperation"}

---

#Refused mymediatype-request.yaml content
BreakingExample:
-> summary: MyExampleSummary
-> value: {"operationId": "myoperation"}

---

#Bundle configuration content
example.txt