Translate top/bottom consistently as dessus/dessous in French

The translator used haut/bas while in most cases we used dessus/dessous for that.

Contributes to issue CURA-8472.

resources/i18n/fr_FR/fdmprinter.def.json.po

@@ -1437,7 +1437,7 @@ msgstr "Relier les voies de couche extérieure supérieures / inférieures lor
 #: fdmprinter.def.json
 msgctxt "skin_monotonic label"
 msgid "Monotonic Top/Bottom Order"
-msgstr "Ordre monotone haut/bas"
+msgstr "Ordre monotone dessus / dessous"
 
 #: fdmprinter.def.json
 msgctxt "skin_monotonic description"