+ reduce minimum height of action group/box in case only a single label is added

src/Gui/QSint/actionpanel/actionbox.cpp

@@ -218,7 +218,7 @@ void ActionBox::addWidget(QWidget * w, QLayout * l)
 
 QSize ActionBox::minimumSizeHint() const
 {
-    return QSize(150,100);
+    return QSize(150,65);
 }
 
 

src/Gui/QSint/actionpanel/actiongroup.cpp

@@ -252,7 +252,7 @@ void ActionGroup::setHeaderText(const QString & headerText)
 
 QSize ActionGroup::minimumSizeHint() const
 {
-    return QSize(200,100);
+    return QSize(200,65);
 }