[Bug]: Second tab is misaligned when a tab is pinned in vertical tabs

[nickycolky]

Pre-Submission Checklist

• [X] I have checked the existing/closed issues to ensure this issue has not already been reported.
• [X] I am using the latest supported version of the browser.
• [X] I have tried disabling all browser extensions/add-ons to rule out interference from these.
• [X] I have tried clearing the browser cache and cookies.
• [X] I have checked with a new profile and the issue still occurs.
• [X] I have provided detailed step-by-step instructions on how to reproduce the issue.
• [X] I have included relevant screenshots or console outputs.
• [X] I have checked that this problem is not occurring in the latest version of Firefox ESR.
• [X] This issue is specific to this browser and does not occur in other browsers.

Bug Summary

When using vertical tab mode, pinning a tab will cause the favicon of the tab below to become misaligned.

Reproduction Steps

1. Use vertical tabs
2. Pin a tab
3. The tab below moves off-center to the right

Expected Behavior

Pinning a tab should not affect the alignment of other tabs

Actual Behavior

When a tab is pinned, the favicon of the tab below moves to the right

Screenshots

Browser Version

Floorp 11.18.1

Operating System

Ubuntu 24.04 LTS

Additional Context

No response

[surapunoyousei]

Duplicate

[surapunoyousei]

https://github.com/Floorp-Projects/Floorp/issues/1383