fix selection panel contents

src/ui/selection/BarRow.cpp

@@ -50,9 +50,14 @@ public:
 protected:
     void paintEvent(QPaintEvent* /*event*/) override
     {
+        // The active group is asked for by name rather than taken from the current one,
+        // which follows the window's focus: the inactive group's highlight is close
+        // enough to the card's background that the bar reads as gone whenever the game
+        // is tabbed away from or a modal dialog holds focus -- exactly when a player
+        // watching a build finish is most likely to be looking at it.
         const QColor fill = m_fillColor.isValid()
             ? m_fillColor
-            : palette().color(QPalette::Highlight);
+            : palette().color(QPalette::Active, QPalette::Highlight);
 
         QColor track = fill;
         track.setAlpha(kTrackAlpha);