AbiWord 2.6.8, the collapsed font-combobox is drawn too large in y

0.4.11-RC-23-gb5fef42 gcc dbg linux affected
AbiWord 2.6.8 from rapps

The font-combobox (displaying 'Arial' in screenshots) is drawn too large in y, its height should (almost) match the neighbor comboxes.

Expected result
xpsp3.png

Observed result
0.4.11-RC-23-gb5fef42__height.png
0.4.11-RC-23-gb5fef42__height.log

The historic pictures over in CORE-4650 imply, that this is extremely old and happening down to at least ros r60602 (which is around year 2013, eventually since forever)
https://jira.reactos.org/secure/attachment/22488/ReactOS_r60602_vs_Win7_AbiWord_2_6_4.png