Fixup active tab having a pixel border drawn

[Xyene]

Before:

After:

[codecov-commenter]

Codecov Report

Base: 46.50% // Head: 46.50% // No change to project coverage 👍

Coverage data is based on head (043ac7c) compared to base (e745cc0).
Patch has no changes to coverable lines.

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #2014   +/-   ##
=======================================
  Coverage   46.50%   46.50%           
=======================================
  Files         236      236           
  Lines       13104    13104           
=======================================
  Hits         6094     6094           
  Misses       7010     7010           

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[Xyene]

LGTM