Remove additional vertical spacer.
@ -246,19 +246,6 @@
</layout>
</widget>
</item>
<item>
<spacer name="verticalSpacer">
<property name="orientation">
<enum>Qt::Vertical</enum>
</property>
<property name="sizeHint" stdset="0">
<size>
<width>0</width>
<height>0</height>
</size>
</spacer>
<layout class="QHBoxLayout" name="buttonsHLayout">