Refactored imports to use the latest moonlight core structure

MoonlightServers.Frontend/Admin/Templates/Create.razor

@@ -1,7 +1,7 @@
 @page "/admin/servers/templates/create"
 
 @using LucideBlazor
-@using Moonlight.Frontend.Helpers
+@using Moonlight.Frontend.Infrastructure.Helpers
 @using MoonlightServers.Shared
 @using MoonlightServers.Shared.Admin.Templates
 @using ShadcnBlazor.Buttons
@@ -10,7 +10,6 @@
 @using ShadcnBlazor.Extras.Toasts
 @using ShadcnBlazor.Fields
 @using ShadcnBlazor.Inputs
-@using ShadcnBlazor.Tab
 
 @inject HttpClient HttpClient
 @inject NavigationManager Navigation