#4341 Make docked plots follow font size preferences (but subtract 1 in point size)

* The docked plots have much less space available than most plots

ApplicationCode/UserInterface/RiuMohrsCirclePlot.cpp

@@ -62,7 +62,7 @@
 ///
 //--------------------------------------------------------------------------------------------------
 RiuMohrsCirclePlot::RiuMohrsCirclePlot(QWidget* parent)
-    : QwtPlot(parent)
+    : RiuDockedQwtPlot(parent)
     , m_sourceGeoMechViewOfLastPlot(nullptr)
     , m_scheduleUpdateAxisScaleTimer(nullptr)
 {
@@ -76,6 +76,8 @@ RiuMohrsCirclePlot::RiuMohrsCirclePlot(QWidget* parent)
     setAxisTitle(QwtPlot::xBottom, "Effective Normal Stress");
     setAxisTitle(QwtPlot::yLeft, "Shear Stress");
 
+    applyFontSizes(false);
+
     // The legend will be deleted in the destructor of the plot or when
     // another legend is inserted.
     QwtLegend* legend = new QwtLegend(this);