Merge pull request #57 from nventive/dev/jeth/global-option

Add global access modifier when referencing to Uno.Option to avoid namespace clash with Uno

src/Uno.CodeGen/ImmutableGenerator.cs

@@ -553,7 +553,7 @@ return ({symbolNameWithGenerics})(_cachedResult = _original);");
 							builder.AppendLine(
 								$@"private bool _isNone;
 
-public static Builder FromOption(Uno.Option<{symbolNameWithGenerics}> original)
+public static Builder FromOption(global::Uno.Option<{symbolNameWithGenerics}> original)
 {{
 	if(original.MatchSome(out var o))
 	{{