Fix mobile map overlays and GPS recentering

wwwroot/js/lme-map.js

@@ -5637,6 +5637,12 @@ function onGpsPosition(position) {
     updateGpsPositionLayers(latlng, lmeState.lastAccuracy);
     if (firstLiveFix) {
         lmeState.map.setView(latlng, 19);
+    } else if (!lmeState.map.getBounds().contains(latlng)) {
+        lmeState.map.panTo(latlng, {
+            animate: true,
+            duration: 0.5,
+            easeLinearity: 0.25
+        });
     }
 
     if (lmeState.gpsTrailEnabled) {