Fixes Kate/KWrite's {nav Schema} menu when added as toolbar button so that it open shows the drop-down menu immediately when clicked instead of requiring a click-and-hold.
Note: this also has the effect of removing the downward-pointing arrow that lets you know that the toolbar button will open a menu, but that's a bug in Breeze:due to [[ https://bugs.kde.org/show_bug.cgi?id=344746 | a bug in Breeze ]], this patch has the effect of removing the downward-pointing arrow that lets you know that the toolbar button will open a menu. There's an open patch that fixes this though: D13064
BUG: 353747
FIXED-IN: 5.47