move model declaration outside of code block

src/Web/WebMVC/Views/Campaigns/Details.cshtml

@@ -1,6 +1,8 @@
+@model CampaignItem
+
 @{
     ViewData["Title"] = "Campaign details";
-    @model CampaignItem
+
     var headerList= new List<Header>() {
         new Header() { Controller = "Catalog", Text = "Back to catalog" },
         new Header() { Controller = "Campaigns", Text = "Back to Campaigns" } };

src/Web/WebMVC/Views/Campaigns/Index.cshtml

@@ -1,6 +1,8 @@
+@model WebMVC.ViewModels.CampaignViewModel
+
 @{
     ViewData["Title"] = "Campaigns";
-    @model WebMVC.ViewModels.CampaignViewModel
+
     var headerList= new List<Header>() {
         new Header() { Controller = "Catalog", Text = "Back to catalog" } };
 }