sw/uiconfig/swriter/ui/fielddialog.ui This requires to rework the dialog to limit total width.
Heiko Tietze committed a patch related to this issue. It has been pushed to "master": https://git.libreoffice.org/core/commit/466cffeb3b24bb44f17a2bacca559a2acd07d11f Resolves tdf#167095 - Apply VT style to Insert Field dialog It will be available in 26.2.0. The patch should be included in the daily builds available at https://dev-builds.libreoffice.org/daily/ in the next 24-48 hours. More information about daily builds can be found at: https://wiki.documentfoundation.org/Testing_Daily_Builds Affected users are encouraged to test the fix and report feedback.