refactor: replace conflict with associativity

Author: nkrkv

grammar.js

@@ -82,7 +82,6 @@ module.exports = grammar({
     [$.let_binding, $.ternary_expression],
     [$.variant_identifier, $.module_identifier],
     [$.variant, $.variant_pattern],
-    [$.variant],
     [$.variant_declaration, $.function_type_parameter],
     [$.variant_arguments, $._variant_pattern_parameters],
     [$.polyvar, $.polyvar_pattern],
@@ -1211,10 +1210,10 @@ module.exports = grammar({
       ')',
     ),
 
-    variant: $ => seq(
+    variant: $ => prec.right(seq(
       choice($.variant_identifier, $.nested_variant_identifier),
       optional(alias($.variant_arguments, $.arguments)),
-    ),
+    )),
 
     nested_variant_identifier: $ => seq(
       $.module_primary_expression,