fix cloud migrations

Tsi1.Api/Tsi1.DataLayer/DesignTimeDbContextFactory.cs

@@ -17,8 +17,11 @@ namespace Tsi1.DataLayer
                 .AddJsonFile(@Directory.GetCurrentDirectory() + "/../Tsi1.Api/appsettings.json")
                 .Build();
 
+            var isElasticCloud = bool.Parse(configuration.GetSection("IsElasticCloud").Value);
+            var databaseSection = isElasticCloud ? "PostgreSqlCloud" : "PostgreSql";
+
+            var connectionString = configuration.GetConnectionString(databaseSection);
             var builder = new DbContextOptionsBuilder<Tsi1Context>();
-            var connectionString = configuration.GetConnectionString("PostgreSql");
             builder.UseNpgsql(connectionString);
 
             return new Tsi1Context(builder.Options);