MHV-44894 Corrected function call

[mmoyer-va]

Summary

• Corrected a very small mistake in the controller code for images. It was calling the wrong function.

Related issue(s)

• This is related to the MHV-44894 imaging work but this PR is just to correct a small mistake that was made during API creation.

Testing done

• Discovered the mistake during manual testing. Verified the fix by the same method.

Screenshots

Note: Optional

What areas of the site does it impact?

(Describe what parts of the site are impacted andifcode touched other areas)

Acceptance criteria

• I fixed|updated|added unit tests and integration tests for each feature (if applicable).
• No error nor warning in the console.
• Events are being sent to the appropriate logging solution
• Documentation has been updated (link to documentation)
• No sensitive information (i.e. PII/credentials/internal URLs/etc.) is captured in logging, hardcoded, or specs
• Feature/bug has a monitor built into Datadog (if applicable)
• If app impacted requires authentication, did you login to a local build and verify all authenticated routes work as expected
• I added a screenshot of the developed feature

[mattwrightva]

Nice!

[github-actions]

Backend-review-group approval confirmed.