User settings, level settings, language and timezone selection and more. (#471)

* Initial work for user settings page

* Finish user setting and slot setting pages

* Don't show slot upload date on home page and fix team pick redirection

* Fix upload image button alignment on mobile

* Fix image upload on iPhone

* Remove unused css and add selected button color

* Fix login email check and bump ChromeDriver to 105

* Remove duplicated code and allow users to leave fields empty

* Add unpublish button on level settings and move settings button position

* Don't show edit button on mini card

* Self review bug fixes and users can no longer use an in-use email

ProjectLighthouse.Servers.Website/Pages/SetEmailForm.cshtml

@@ -1,5 +1,6 @@
 @page "/login/setEmail"
 @using LBPUnion.ProjectLighthouse.Configuration
+@using LBPUnion.ProjectLighthouse.Localization.StringLists
 @model LBPUnion.ProjectLighthouse.Servers.Website.Pages.SetEmailForm
 
 @{
@@ -9,6 +10,16 @@
 
 <p>This instance requires email verification. As your account was created before this was a requirement, you must now set an email for your account before continuing.</p>
 
+@if (!string.IsNullOrWhiteSpace(Model.Error))
+{
+    <div class="ui negative message">
+        <div class="header">
+            @Model.Translate(GeneralStrings.Error)
+        </div>
+        <p style="white-space: pre-line">@Model.Error</p>
+    </div>
+}
+
 <form class="ui form" onsubmit="return onSubmit(this)" method="post">
     @Html.AntiForgeryToken()