Utils: Fix setting of minimal height of InfoLabels in QFormLayout

Calling setMinimumHeight is not compatible with QFormLayout if the label
has multiple lines. Overriding minimumSizeHint on the other hand is.

Change-Id: Id2167b295620322cec75035d7cc7125cc3221c4d
Reviewed-by: Christian Kandeler <christian.kandeler@qt.io>

src/libs/utils/infolabel.cpp

@@ -45,7 +45,6 @@ InfoLabel::InfoLabel(const QString &text, InfoType type, QWidget *parent)
     : ElidingLabel(text, parent)
 {
     setType(type);
-    setMinimumHeight(iconSize);
 }
 
 InfoLabel::InfoType InfoLabel::type() const
@@ -70,6 +69,13 @@ void InfoLabel::setFilled(bool filled)
     m_filled = filled;
 }
 
+QSize InfoLabel::minimumSizeHint() const
+{
+    QSize baseHint = ElidingLabel::minimumSizeHint();
+    baseHint.setHeight(qMax(baseHint.height(), iconSize));
+    return baseHint;
+}
+
 static Utils::Theme::Color fillColorForType(InfoLabel::InfoType type)
 {
     using namespace Utils;