fix trPlural()

@@ -52,7 +52,7 @@ extension Trans on String {
   }
 
   String trPlural([String? pluralKey, int? i, List<String> args = const []]) {
-    return i == 1 ? pluralKey!.trArgs(args) : trArgs(args);
+    return i == 1 ? trArgs(args) : pluralKey!.trArgs(args);
   }
 
   String? trParams([Map<String, String> params = const {}]) {
@@ -67,7 +67,7 @@ extension Trans on String {
 
   String? trPluralParams(
       [String? pluralKey, int? i, Map<String, String> params = const {}]) {
-    return i == 1 ? pluralKey!.trParams(params) : trParams(params);
+    return i == 1 ? trParams(params) : pluralKey!.trParams(params);
   }
 }