Merge pull request #468 from duncanawoods/fix_bad_fontsize_if_position_is_set

set default WebPreferences.DefaultFontSize

Author: GregorBiswanger

ElectronNET.API/Entities/WebPreferences.cs

@@ -142,7 +142,7 @@ public class WebPreferences
         /// <summary>
         /// Defaults to 16.
         /// </summary>
-        public int DefaultFontSize { get; set; }
+        public int DefaultFontSize { get; set; } = 16;
 
         /// <summary>
         /// Defaults to 13.