Quick fix for a ')' missing in the liquid template typescript (#3253)

* Fixing FormData generated for typescript should add the content array property in a foreach statement to handle correctly in the api.

* Quick fix for a ')' missing in the liquid template typescript

Co-authored-by: Felipe Borges <Felipe.Borges@fenergo.com>

src/NSwag.CodeGeneration.TypeScript.Tests/ArrayParameterTests.cs

@@ -141,7 +141,7 @@ public async Task when_content_is_formdata_with_property_array_then_content_shou
 
             //// Assert
             Assert.Contains("const content_ = new FormData();", code);
-            Assert.Contains("arrayOfIds.forEach(item_ => content_.append(\"arrayOfIds\", item_.toString());", code);
+            Assert.Contains("arrayOfIds.forEach(item_ => content_.append(\"arrayOfIds\", item_.toString()));", code);
         }
     }
 }

src/NSwag.CodeGeneration.TypeScript/Templates/Client.RequestBody.liquid

@@ -60,7 +60,7 @@ else
 {%             elseif parameter.IsDateOrDateTime -%}
     content_.append("{{ parameter.Name }}", {{ parameter.VariableName }}.toJSON());
 {%             elseif parameter.IsArray -%}
-    {{ parameter.VariableName }}.forEach(item_ => content_.append("{{ parameter.Name }}", item_.toString());
+    {{ parameter.VariableName }}.forEach(item_ => content_.append("{{ parameter.Name }}", item_.toString()));
 {%             else -%}
     content_.append("{{ parameter.Name }}", {{ parameter.VariableName }}.toString());
 {%             endif -%}