fix: exclude from mangling EditableTextBase (#60)

Uglify shouldn't mangle EditableTextBase, because it breaks the hint formatting. fixes NativeScript/sample-Groceries#202

Author: sis0k0

index.js

@@ -138,6 +138,7 @@ exports.uglifyMangleExcludes = [
  "ActivityIndicator",
  "Button",
  "DatePicker",
+ "EditableTextBase",
  "Image",
  "Label",
  "ListPicker",