Wrap multiple INSERT statements within a single transaction

Author: bartizan

DevProxy.Abstractions/Data/MSGraphDb.cs

@@ -110,6 +110,8 @@ private async Task CreateDbAsync(CancellationToken cancellationToken)
     private async Task FillDataAsync(CancellationToken cancellationToken)
     {
         _logger.LogInformation("Filling database...");
+        
+        await using var transaction = await Connection.BeginTransactionAsync(cancellationToken);
 
         var i = 0;
 
@@ -154,6 +156,8 @@ private async Task FillDataAsync(CancellationToken cancellationToken)
             }
         }
 
+        await transaction.CommitAsync(cancellationToken);
+
         _logger.LogInformation("Inserted {EndpointCount} endpoints in the database", i);
     }