nav: banner add stretch to fix label size

selfdrive/ui/qt/maps/map.cc

@@ -483,6 +483,8 @@ MapInstructions::MapInstructions(QWidget * parent) : QWidget(parent) {
     lane_layout = new QHBoxLayout;
     layout->addLayout(lane_layout);
 
+    layout->addStretch(); // Make sure the word-wrapped labels are as small as possible
+
     main_layout->addWidget(w);
   }