Keep compass responsive in north-up mode

Components/Pages/Home.razor

@@ -680,7 +680,7 @@
                             <label>
                                 Orientamento bussola
                                 <select @bind="CompassMode" @bind:after="ApplyCompassOptions" disabled="@(!ShowCompass)">
-                                    <option value="fixed">Nord fisso in alto</option>
+                                    <option value="fixed">Mappa: nord fisso in alto</option>
                                     <option value="heading">Navigatore: direzione del dispositivo in alto</option>
                                 </select>
                             </label>
@@ -2862,7 +2862,7 @@
     private Task ConfigureCompassSensorAsync()
     {
         var compass = Microsoft.Maui.Devices.Sensors.Compass.Default;
-        var shouldMonitor = ShowCompass && CompassMode == "heading" && compass.IsSupported;
+        var shouldMonitor = ShowCompass && compass.IsSupported;
         try
         {
             if (shouldMonitor && !CompassSensorSubscribed)
@@ -2897,7 +2897,7 @@
         object? sender,
         Microsoft.Maui.Devices.Sensors.CompassChangedEventArgs args)
     {
-        if (!MapReady || !ShowCompass || CompassMode != "heading")
+        if (!MapReady || !ShowCompass)
         {
             return;
         }