revert precedence in extension_expression

Author: aspeddro

grammar.js

@@ -86,6 +86,7 @@ module.exports = grammar({
     [$._record_field_name, $.record_pattern],
     [$.decorator],
     [$._statement, $._one_or_more_statements],
+    [$.extension_expression],
     [$._inline_type, $.function_type_parameters],
     [$.primary_expression, $.parameter, $._pattern],
     [$.parameter, $._pattern],
@@ -1134,7 +1135,7 @@ module.exports = grammar({
       ))
     )),
 
-    extension_expression: $ => prec.right(seq(
+    extension_expression: $ => prec('call', seq(
       repeat1('%'),
       $.extension_identifier,
       optional(