Encode the returnUrl parameter.

Resolve #3202

framework/src/Volo.Abp.AspNetCore.Mvc.UI.Theme.Basic/Themes/Basic/Components/Toolbar/LanguageSwitch/Default.cshtml

@@ -1,4 +1,5 @@
 @using System.Linq
+@using Microsoft.AspNetCore.Http.Extensions
 @using Volo.Abp.AspNetCore.Mvc.UI.Theme.Basic.Themes.Basic.Components.Toolbar.LanguageSwitch
 @model LanguageSwitchViewComponentModel
 @if (Model.OtherLanguages.Any())
@@ -11,7 +12,7 @@
         <div class="dropdown-menu dropdown-menu-right border-0 shadow-sm" aria-labelledby="dropdownMenuLink">
             @foreach (var language in Model.OtherLanguages)
             {
-                <a class="dropdown-item" href="/Abp/Languages/Switch?culture=@(language.CultureName)&uiCulture=@(language.UiCultureName)&returnUrl=@Context.Request.Path">@language.DisplayName</a>
+                <a class="dropdown-item" href="/Abp/Languages/Switch?culture=@(language.CultureName)&uiCulture=@(language.UiCultureName)&returnUrl=@(System.Net.WebUtility.UrlEncode(Context.Request.GetEncodedPathAndQuery()))">@language.DisplayName</a>
             }
         </div>
     </div> 

framework/src/Volo.Abp.AspNetCore.Mvc.UI.Theme.Shared.Demo/FodyWeavers.xml

@@ -1,3 +1,3 @@
 <Weavers xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="FodyWeavers.xsd">
-  <ConfigureAwait />
+  <ConfigureAwait ContinueOnCapturedContext="false" />
 </Weavers>