slight visual change [skip ci]

Author: icecream17

grammars/tree-sitter-javascript.cson

@@ -242,8 +242,8 @@ scopes:
   '"get"': 'keyword.operator.setter'
   '"set"': 'keyword.operator.setter'
 
-  '"."': 'meta.delimiter.period'
   '"?."': 'meta.delimiter.optional'
+  '"."': 'meta.delimiter.period'
   '","': 'meta.delimiter.comma'
 
   '"if"': 'keyword.control'