Update _ManageNav.cshtml

Author: HaoK

src/Identity/UI/src/Areas/Identity/Pages/V5/Account/Manage/_ManageNav.cshtml

@@ -2,7 +2,7 @@
     <li class="nav-item"><a class="nav-link @ManageNavPages.IndexNavClass(ViewContext)" id="profile" asp-page="./Index" aria-current="@ManageNavPages.IndexAriaCurrent(ViewContext)">Profile</a></li>
     <li class="nav-item"><a class="nav-link @ManageNavPages.EmailNavClass(ViewContext)" id="email" asp-page="./Email" aria-current="@ManageNavPages.EmailAriaCurrent(ViewContext)">Email</a></li>
     <li class="nav-item"><a class="nav-link @ManageNavPages.ChangePasswordNavClass(ViewContext)" id="change-password" asp-page="./ChangePassword" aria-current="@ManageNavPages.ChangePasswordAriaCurrent(ViewContext)">Password</a></li>
-    @if ((bool)ViewData["ManageNav.HasExternalLogins"] ?? false)
+    @if ((bool)(ViewData["ManageNav.HasExternalLogins"] ?? false))
     {
         <li id="external-logins" class="nav-item"><a id="external-login" class="nav-link @ManageNavPages.ExternalLoginsNavClass(ViewContext)" asp-page="./ExternalLogins" aria-current="@ManageNavPages.ExternalLoginsAriaCurrent(ViewContext)">External logins</a></li>
     }