fix: Correct wrong avatars in Webhook Dropdown

[Ayush9026]

/claim #20013

What does this PR do?

fix #20013

• Fixes #20013
• Fixes CAL- CAL-5298

Visual Demo (For contributors especially)

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Video Demo (if applicable):

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Mandatory Tasks (DO NOT REMOVE)

• [ ] I have self-reviewed the code (A decent size PR without self-review might be rejected).
• [ ] I have updated the developer docs in /docs if this PR makes changes that would require a documentation change. If N/A, write N/A here and check the checkbox.
• [ ] I confirm automated tests are in place that prove my fix is effective or that my feature works.

How should this be tested?

• Are there environment variables that should be set?
• What are the minimal test data to have?
• What is expected (happy path) to have (input and output)?
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Checklist

• I haven't read the contributing guide
• My code doesn't follow the style guidelines of this project
• I haven't commented my code, particularly in hard-to-understand areas
• I haven't checked if my changes generate no new warnings

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[CLAassistant]

All committers have signed the CLA.

[graphite-app[bot]]

Graphite Automations

"Add consumer team as reviewer" took an action on this PR • (03/12/25)

1 reviewer was added to this PR based on Keith Williams's automation.

"Add community label" took an action on this PR • (03/12/25)

1 label was added to this PR based on Keith Williams's automation.

[TusharBhatt1]

Thanks for the PR , closing this due to staleness and unresolved comment , feel free to raise a new one.