Switched to new permission handling for front and backend as the moonlight core did

MoonlightServers.Frontend/UI/Views/Admin/Nodes/Create.razor

@@ -9,6 +9,8 @@
 @inject NavigationManager Navigation
 @inject ToastService ToastService
 
+@attribute [Authorize(Policy = "permissions:admin.servers.nodes.create")]
+
 <PageHeader Title="Create Node">
     <a href="/admin/servers/nodes" class="btn btn-secondary">
         <i class="icon-chevron-left mr-1"></i>

MoonlightServers.Frontend/UI/Views/Admin/Nodes/Index.razor

@@ -15,6 +15,8 @@
 @inject AlertService AlertService
 @inject ToastService ToastService
 
+@attribute [Authorize(Policy = "permissions:admin.servers.nodes.get")]
+
 <div class="mb-3">
     <NavTabs Index="2" Names="@UiConstants.AdminNavNames" Links="@UiConstants.AdminNavLinks"/>
 </div>

MoonlightServers.Frontend/UI/Views/Admin/Nodes/Update.razor

@@ -11,6 +11,8 @@
 @inject NavigationManager Navigation
 @inject ToastService ToastService
 
+@attribute [Authorize(Policy = "permissions:admin.servers.nodes.update")]
+
 <LazyLoader Load="Load">
     <PageHeader Title="Update Node">
         <a href="/admin/servers/nodes" class="btn btn-secondary">