CSP-1245 Fixed roatp token service to use correct identifier

src/SFA.DAS.ApplyService.InternalApi/Infrastructure/RoatpTokenService.cs

@@ -26,7 +26,7 @@ public async Task<string> GetToken()
             var configuration = await _configurationService.GetConfig();
 
             var azureServiceTokenProvider = new AzureServiceTokenProvider();
-            var generatedToken = await azureServiceTokenProvider.GetAccessTokenAsync(configuration.QnaApiAuthentication.Identifier);
+            var generatedToken = await azureServiceTokenProvider.GetAccessTokenAsync(configuration.RoatpApiAuthentication.Identifier);
 
             return generatedToken;
         }