fix: loading issue

[bhavya2611]

What does this PR do?

🤖 Generated by Copilot at 1852d25

Fix loading indicator for message previews in web app. The change ensures that profilesLoading is set to false in useMessagePreviews.tsx after fetching the data.

Related issues

Fixes DMS slow loading issue

Type of change

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Enhancement (non-breaking small changes to existing functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• This change requires a documentation update

Emoji

🚀

[height]

Link Height tasks by mentioning a task ID in the pull request title or commit messages, or description and comments with the keyword link (e.g. "Link T-123").

💡Tip: You can also use "Close T-X" to automatically close a task when the pull request is merged.

[vercel]

The latest updates on your projects. Learn more about Vercel for Git ↗︎

Name	Status	Preview	Updated (UTC)
prerender	✅ Ready (Inspect)	Visit Preview	Sep 12, 2023 8:58am
web	✅ Ready (Inspect)	Visit Preview	Sep 12, 2023 8:58am