fix: algolia mobile search modal responsiveness

[noobyogi0010]

Pre-flight checklist

• [x] I have read the Contributing Guidelines on pull requests.
• [ ] If this is a code change: I have written unit tests and/or added dogfooding pages to fully verify the new behavior.
• [ ] If this is a new API or substantial change: the PR has an accompanying issue (closes #0000) and the maintainers have approved on my working plan.

Motivation

Fixes Algolia mobile search modal responsiveness issue.

Test Plan

Test links

Loom preview: https://www.loom.com/share/1adeb5c8ff714965b0136bb94ded58ed

Related issues/PRs

Fixes #7831

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⚡️ Lighthouse report for the deploy preview of this PR

URL	Performance	Accessibility	Best Practices	SEO	PWA	Report
/	🟠 84	🟢 98	🟢 100	🟢 100	🟠 80	Report
/docs/installation	🟢 90	🟢 100	🟢 100	🟢 100	🟢 90	Report

[slorber]

@shortcuts any opinion on this?

Should it be changed directly in the DocSearch package? Looks likeyou switch from fixed (desktop) to absolute (mobile), and maybe there's a good reason for that?

For some reason, I am able to reproduce this edge case only if I resize my browser window, but it doesn't show the problem when resizing using the devtools 🤷‍♂️

[shortcuts]

@shortcuts any opinion on this?

Should it be changed directly in the DocSearch package? Looks likeyou switch from fixed (desktop) to absolute (mobile), and maybe there's a good reason for that?

Indeed I believe this should be fixed at the DocSearch level, I can reproduce on a simple sandbox: https://duc7s6.csb.app/

I don't have the details of the absolute choice, maybe @shipow knows

[noobyogi0010]

@shortcuts @slorber Let me know what changes I need to do. Thanks!

[noobyogi0010]

Okay @slorber Np. I'll pick up another issue and will work upon it. Thanks!