Add proper ban page when logging in (#773)

* Add proper ban page upon logging in

* Remove two extra line break tags that don't need to be there

* Fix timestamp formatting

* Properly display timestamps in correct timezone

* Fix formatting issues with ban page

* Remove extra parenthesis which would be rendered on-page

* Add to redirect middleware to prevent navigating to other pages

* Small nitpick, renaming UserBannedPage to BannedUserPage

* Resolve nitpicks from reviewers

* Remove un-necessary log message in LoginForm

* Fix ban reason translatable string argument

* Word choice nitpick ("Ban Created" -> "Ban Issued")

* Final adjustments and nitpicks, visual and grammatical

* Resolve requested changes from reviewers

ProjectLighthouse.Servers.Website/Middlewares/UserRequiredRedirectMiddleware.cs

@@ -59,6 +59,18 @@ public class UserRequiredRedirectMiddleware : MiddlewareDBContext
             return;
         }
 
+        if (user.IsBanned)
+        {
+            if (!pathContains(ctx, "/banned"))
+            {
+                ctx.Response.Redirect("/banned");
+                return;
+            }
+
+            await this.next(ctx);
+            return;
+        }
+
         if (user.EmailAddress == null && ServerConfiguration.Instance.Mail.MailEnabled)
         {
             if (!pathContains(ctx, "/login/setEmail"))