improving WebHost dev console logging wire-up (#10633)

Author: brettsam

src/WebJobs.Script.WebHost/Program.cs

@@ -90,7 +90,10 @@ public static IWebHostBuilder CreateWebHostBuilder(string[] args = null)
                     loggingBuilder.Services.AddSingleton<DeferredLoggerProvider>();
                     loggingBuilder.Services.AddSingleton<ILoggerProvider>(s => s.GetRequiredService<DeferredLoggerProvider>());
 
-                    loggingBuilder.AddConsoleIfEnabled(context.HostingEnvironment.IsDevelopment(), context.Configuration);
+                    if (context.HostingEnvironment.IsDevelopment())
+                    {
+                        loggingBuilder.AddConsole();
+                    }
                 })
                 .UseStartup<Startup>();
         }

src/WebJobs.Script/Extensions/ScriptLoggingBuilderExtensions.cs

@@ -45,7 +45,7 @@ public static void AddConsoleIfEnabled(this ILoggingBuilder builder, HostBuilder
             builder.AddConsoleIfEnabled(context.HostingEnvironment.IsDevelopment(), context.Configuration);
         }
 
-        public static void AddConsoleIfEnabled(this ILoggingBuilder builder, bool isDevelopment, IConfiguration configuration)
+        private static void AddConsoleIfEnabled(this ILoggingBuilder builder, bool isDevelopment, IConfiguration configuration)
         {
             // console logging defaults to false, except for self host
             bool enableConsole = isDevelopment;