[macos] Check for implementation before calling -toolTip

Also fixed a couple typos in changelogs.

platform/macos/src/MGLMapView.mm

@@ -1820,7 +1820,7 @@ public:
             }
 
             // Opt into potentially expensive tooltip tracking areas.
-            if (annotation.toolTip.length) {
+            if ([annotation respondsToSelector:@selector(toolTip)] && annotation.toolTip.length) {
                 _wantsToolTipRects = YES;
             }
         }
@@ -2355,7 +2355,7 @@ public:
         for (MGLAnnotationTag annotationTag : annotationTags) {
             MGLAnnotationImage *annotationImage = [self imageOfAnnotationWithTag:annotationTag];
             id <MGLAnnotation> annotation = [self annotationWithTag:annotationTag];
-            if (annotation.toolTip.length) {
+            if ([annotation respondsToSelector:@selector(toolTip)] && annotation.toolTip.length) {
                 // Add a tooltip tracking area over the annotation image’s
                 // frame, accounting for the image’s alignment rect.
                 NSImage *image = annotationImage.image;