Add null check to Projection.getContentPadding() (#3937)

Author: louwers

platform/android/MapLibreAndroid/src/main/java/org/maplibre/android/maps/Projection.java

@@ -41,7 +41,10 @@ void setContentPadding(int[] contentPadding) {
   }
 
   int[] getContentPadding() {
-    double[] padding = nativeMapView.getCameraPosition().padding;
+    double[] padding = nativeMapView.getContentPadding();
+    if (padding == null) {
+      return new int[] {0, 0, 0, 0};
+    }
     return new int[] {(int) padding[0], (int) padding[1], (int) padding[2], (int) padding[3]};
   }