Fix gestione allegati e creato metodo di esportazione log

SteUp.Shared/Core/Services/IntegrySteupService.cs

@@ -56,16 +56,17 @@ public class IntegrySteupService(IIntegryApiRestClient integryApiRestClient) : I
 
     #endregion
 
-    public Task UploadFile(string activityId, byte[] file, string fileName)
+    public async Task UploadFile(string activityId, byte[] file, string fileName)
     {
         var queryParams = new Dictionary<string, object> { { "activityId", activityId } };
 
-        using var content = new MultipartFormDataContent();
+        var content = new MultipartFormDataContent();
         var fileContent = new ByteArrayContent(file);
         fileContent.Headers.ContentType = MediaTypeHeaderValue.Parse("multipart/form-data");
         content.Add(fileContent, "file", fileName);
 
-        return integryApiRestClient.Post<object>($"{BaseRequest}/uploadAttachment", content, queryParams!);
+        await integryApiRestClient.Post<object>($"{BaseRequest}/uploadAttachment", content, queryParams!);
+        content.Dispose();
     }
 
     public Task DeleteScheda(string activityId) =>