bug#57555: 29.0.50; variable-pitch font issue with medium weight default font

[Eli Zaretskii]

> Date: Mon, 05 Sep 2022 21:17:22 +0000
> From: Gregory Heytings <gregory@heytings.org>
> cc: Amin Bandali <bandali@gnu.org>, 57555@debbugs.gnu.org
> 
> 
> Amin, can you try the following patch, and tell us if it fixes your 
> problem?

Why is this TRT, even if it does solve this particular problem?
Forgetting the other attributes is problematic, and would quite
certainly lead to much more serious problems.

Commit 6b1ed2f2c99a1c2da56c5f434570c438cad6576d, which allegedly
caused this problem, made the inverse change, for those reasons.