refactor: refactor ContentRow into a record in place of a class

Doppler.HtmlEditorApi/Infrastructure/ContentRow.cs

@@ -1,9 +1 @@
-using Doppler.HtmlEditorApi.Model;
-
-public class ContentRow
-{
-    public string Content { get; set; }
-    public string Meta { get; set; }
-    public int IdCampaign { get; set; }
-    public int EditorType { get; set; }
-}
+public record ContentRow(string content, string meta, int idCampaign, int editorType);

Doppler.HtmlEditorApi/Infrastructure/Repository.cs

@@ -30,11 +30,11 @@ public async Task<CampaignContent> GetCampaignModel(string accountName, int camp
                     return null;
                 }
 
-                using var doc = JsonDocument.Parse(result.Meta);
+                using var doc = JsonDocument.Parse(result.meta);
 
                 return new CampaignContent(
                     meta: doc.RootElement,
-                    htmlContent: result.Content);
+                    htmlContent: result.content);
             }
         }