[ios] PP arrow compass fix

iphone/Maps/Classes/PlacePageView.mm

@@ -203,6 +203,8 @@ typedef NS_ENUM(NSUInteger, CellRow)
     cell.selectedColorView.alpha = [self isBookmark] ? 1 : 0;
     cell.delegate = self;
     cell.myPositionMode = [self isMyPosition];
+    [[MapsAppDelegate theApp].m_locationManager triggerCompass];
+
     return cell;
   }
   else if (row == CellRowSet)

iphone/Maps/Platform/LocationManager.h

@@ -40,5 +40,6 @@
 
 - (bool)lastLocationIsValid;
 - (BOOL)enabledOnMap;
+- (void)triggerCompass;
 
 @end

iphone/Maps/Platform/LocationManager.mm

@@ -129,6 +129,11 @@
   info.m_speed = location.speed;
 }
 
+- (void)triggerCompass
+{
+  [self locationManager:m_locationManager didUpdateHeading:m_locationManager.heading];
+}
+
 - (void)locationManager:(CLLocationManager *)manager didUpdateHeading:(CLHeading *)newHeading
 {
   // Stop passing driving course if last time stamp for GPS location is later than 20 seconds.