Fixed issue with Generated property defaulting to Public if getter nor setter was passed in

Author: ShawnLaMountain

src/ThunderDesign.Net-PCL.SourceGenerators/UnifiedPropertyGenerator.cs

@@ -277,9 +277,10 @@ static string GetWidestAccessibility(object getter, object setter)
                 var getter = args.Length > 4 ? args[4].Value : null;
                 var setter = args.Length > 5 ? args[5].Value : null;
 
-                var getterStr = ToAccessorString(getter);
-                var setterStr = ToAccessorString(setter);
-                var propertyAccessibilityStr = ToAccessorString(GetWidestAccessibility(getter, setter));
+                // If getter/setter are not specified, default to "Public"
+                var getterStr = ToAccessorString(getter ?? "Public");
+                var setterStr = ToAccessorString(setter ?? "Public");
+                var propertyAccessibilityStr = ToAccessorString(GetWidestAccessibility(getter ?? "Public", setter ?? "Public"));
 
                 var lockerArg = threadSafe ? "_Locker" : "null";
                 var notifyArg = notify ? "true" : "false";
@@ -346,9 +347,10 @@ static string GetWidestAccessibility(object getter, object setter)
                 var getter = args.Length > 2 ? args[2].Value : null;
                 var setter = args.Length > 3 ? args[3].Value : null;
 
-                var getterStr = ToAccessorString(getter);
-                var setterStr = ToAccessorString(setter);
-                var propertyAccessibilityStr = ToAccessorString(GetWidestAccessibility(getter, setter));
+                // If getter/setter are not specified, default to "Public"
+                var getterStr = ToAccessorString(getter ?? "Public");
+                var setterStr = ToAccessorString(setter ?? "Public");
+                var propertyAccessibilityStr = ToAccessorString(GetWidestAccessibility(getter ?? "Public", setter ?? "Public"));
 
                 var lockerArg = threadSafe ? "_Locker" : "null";
                 if (readOnly)