Properly handle errors when setting pixformat

[cnadler86]

Description

This PR add proper handle of sensor.set_pixformat return values in order to throw an error, if the function didn't return a non-error value. To do so, a new ESP_ERR_CAMERA_FAILED_TO_SET_PIXEL_FORMAT was added.

Related

None

Testing

I tested it with omnivision sensors with a ESP32S3 with IDF 5.4.2

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Checklist

Before submitting a Pull Request, please ensure the following:

• 🚨 This PR does not introduce breaking changes.
• All CI checks (GH Actions) pass.
• Documentation is updated as needed.
• Tests are updated or added as necessary.
• Code is well-commented, especially in complex areas.
• Git history is clean — commits are squashed to the minimum necessary.

[cnadler86]

@me-no-dev it looks like something changed in the last idf for the esp32 target. The build errors are not related work the PR.

I synced with the master branch and IMHO I think this PR could get merged.