dart: use super in constructor param

Author: lohanidamodar

templates/dart/lib/services/service.dart.twig

@@ -11,7 +11,7 @@ part of {{ language.params.packageName }};
 {{ service.description|dartComment}}
 {% endif %}
 class {{ service.name | caseUcfirst }} extends Service {
-    {{ service.name | caseUcfirst }}(Client client{{ _self.service_params(service.globalParams) }}): super(client);
+    {{ service.name | caseUcfirst }}(super.client{{ _self.service_params(service.globalParams) }});
 {% if service.globalParams | length %}
 {% for parameter in service.globalParams %}
     {{ parameter.type | typeName }}{% if not parameter.required %}?{% endif %} {{ parameter.name | caseCamel | overrideIdentifier }};

templates/flutter/lib/services/service.dart.twig

@@ -11,7 +11,7 @@ part of {{ language.params.packageName }};
 {{ service.description|dartComment}}
 {% endif %}
 class {{ service.name | caseUcfirst }} extends Service {
-    {{ service.name | caseUcfirst }}(Client client{{ _self.service_params(service.globalParams) }}): super(client);
+    {{ service.name | caseUcfirst }}(super.client{{ _self.service_params(service.globalParams) }});
 {% if service.globalParams | length %}
 {% for parameter in service.globalParams %}
     {{ parameter.type | typeName }}{% if not parameter.required %}?{% endif %} {{ parameter.name | caseCamel | overrideIdentifier }};