Merge pull request #78 from OneSignal/fix/dictToNSDictValues

[Fix] DictToNSDict string values

OneSignalSDK.DotNet.iOS/Utilities/ToNativeConversion.cs

@@ -42,7 +42,7 @@ public static NSDictionary<NSString, NSString> DictToNSDict(IDictionary<string,
         foreach (var entry in dict)
         {
             keys[index] = NSString.FromData(entry.Key, NSStringEncoding.UTF8);
-            values[index] = NSString.FromData(entry.Key, NSStringEncoding.UTF8);
+            values[index] = NSString.FromData(entry.Value, NSStringEncoding.UTF8);
             index++;
         }