Activity chart full replot on x-axis change

This is a continuation of previous commit, since x-axis change affects
the is blank status we need a full replot to consider cases when the
selected activity lacks time or distance.

src/Charts/AllPlotWindow.cpp

@@ -3360,16 +3360,8 @@ AllPlotWindow::setByDistance(int value)
     intervalPlot->setByDistance(value);
     allPlot->setByDistance(value);
 
-    // refresh controls, specifically spanSlider
-    setAllPlotWidgets(fullPlot->rideItem);
-
-    // refresh
-    setupSeriesStack = setupStack = false;
-    redrawFullPlot();
-    redrawAllPlot();
-    setupStackPlots();
-    setupSeriesStackPlots();
-    redrawIntervalPlot();
+    // replot
+    forceReplot();
 
     active = false;
 }