chore: enable coder inbox by default (#17077)

Add a flag to enable Coder Inbox by default, as well as supporting disabling the feature.

coderd/notifications/utils_test.go

@@ -2,6 +2,7 @@ package notifications_test
 
 import (
 	"context"
+	"net/url"
 	"sync/atomic"
 	"testing"
 	"text/template"
@@ -21,6 +22,18 @@ import (
 )
 
 func defaultNotificationsConfig(method database.NotificationMethod) codersdk.NotificationsConfig {
+	var (
+		smtp    codersdk.NotificationsEmailConfig
+		webhook codersdk.NotificationsWebhookConfig
+	)
+
+	switch method {
+	case database.NotificationMethodSmtp:
+		smtp.Smarthost = serpent.String("localhost:1337")
+	case database.NotificationMethodWebhook:
+		webhook.Endpoint = serpent.URL(url.URL{Host: "localhost"})
+	}
+
 	return codersdk.NotificationsConfig{
 		Method:              serpent.String(method),
 		MaxSendAttempts:     5,
@@ -31,8 +44,11 @@ func defaultNotificationsConfig(method database.NotificationMethod) codersdk.Not
 		RetryInterval:       serpent.Duration(time.Millisecond * 50),
 		LeaseCount:          10,
 		StoreSyncBufferSize: 50,
-		SMTP:                codersdk.NotificationsEmailConfig{},
-		Webhook:             codersdk.NotificationsWebhookConfig{},
+		SMTP:                smtp,
+		Webhook:             webhook,
+		Inbox: codersdk.NotificationsInboxConfig{
+			Enabled: serpent.Bool(true),
+		},
 	}
 }