Default enable notification channel lights

app/src/main/java/eu/faircode/email/AdapterMessage.java

@@ -1555,6 +1555,7 @@ public class AdapterMessage extends RecyclerView.Adapter<AdapterMessage.ViewHold
                     channel.setGroup("contacts");
                     channel.setDescription(from.getPersonal());
                     channel.setLockscreenVisibility(Notification.VISIBILITY_PRIVATE);
+                    channel.enableLights(true);
                     nm.createNotificationChannel(channel);
                     onActionEditChannel();
                 }

app/src/main/java/eu/faircode/email/ApplicationEx.java

@@ -310,6 +310,7 @@ public class ApplicationEx extends Application {
                     getString(R.string.channel_notification),
                     NotificationManager.IMPORTANCE_HIGH);
             notification.setLockscreenVisibility(Notification.VISIBILITY_PRIVATE);
+            notification.enableLights(true);
             nm.createNotificationChannel(notification);
 
             NotificationChannel warning = new NotificationChannel(

app/src/main/java/eu/faircode/email/EntityAccount.java

@@ -116,6 +116,7 @@ public class EntityAccount extends EntityOrder implements Serializable {
                     NotificationManager.IMPORTANCE_HIGH);
             channel.setGroup(name);
             channel.setLockscreenVisibility(Notification.VISIBILITY_PRIVATE);
+            channel.enableLights(true);
             nm.createNotificationChannel(channel);
         }
     }

app/src/main/java/eu/faircode/email/TupleFolderEx.java

@@ -81,6 +81,7 @@ public class TupleFolderEx extends EntityFolder implements Serializable {
                     NotificationManager.IMPORTANCE_HIGH);
             channel.setGroup(accountName);
             channel.setLockscreenVisibility(Notification.VISIBILITY_PRIVATE);
+            channel.enableLights(true);
             nm.createNotificationChannel(channel);
         }
     }