optimize JavaScript handling

Oqtane.Server/Pages/_Host.cshtml

@@ -55,7 +55,6 @@
             @Html.Raw(Model.PWAScript)
         }
         @Html.Raw(Model.BodyResources)
-        <component type="typeof(Oqtane.Body)" render-mode="@((RenderMode)Enum.Parse(typeof(RenderMode), Model.RenderMode, true))" />
     }
 	else
 	{

Oqtane.Server/Pages/_Host.cshtml.cs

@@ -430,8 +430,8 @@ namespace Oqtane.Pages
 
         private void ProcessHeadContent(string headcontent, string id)
         {
-            // iterate scripts
-            if (headcontent != null)
+            // add scripts to page
+            if (!string.IsNullOrEmpty(headcontent))
             {
                 var count = 0;
                 var index = headcontent.IndexOf("<script");