Update Worker template for Worker SDK (#7965)

* Update Worker template for Worker SDK

* Change template order

* Remove servergc

Author: Tratcher

src/ProjectTemplates/Web.ProjectTemplates/Worker-CSharp.csproj.in

@@ -1,8 +1,8 @@
-<Project Sdk="Microsoft.NET.Sdk.Web">
+<Project Sdk="Microsoft.NET.Sdk.Worker">
 
   <PropertyGroup>
     <TargetFramework>netcoreapp3.0</TargetFramework>
-    <OutputType>Exe</OutputType>
+    <UserSecretsId>dotnet-Company.Application1-53bc9b9d-9d6a-45d4-8429-2a2761773502</UserSecretsId>
     <NoDefaultLaunchSettingsFile Condition="'$(ExcludeLaunchSettings)' == 'True'">True</NoDefaultLaunchSettingsFile>
     <RootNamespace Condition="'$(name)' != '$(name{-VALUE-FORMS-}safe_namespace)'">Company.Application1</RootNamespace>
   </PropertyGroup>

src/ProjectTemplates/Web.ProjectTemplates/content/GrpcService-CSharp/.template.config/vs-2017.3.host.json

@@ -10,7 +10,7 @@
     "package": "{0CD94836-1526-4E85-87D3-FB5274C5AFC9}",
     "id": "1028"
   },
-  "order": 100,
+  "order": 303,
   "icon": "vs-2017.3/Empty.png",
   "learnMoreLink": "https://go.microsoft.com/fwlink/?LinkID=784883",
   "uiFilters": [ "oneaspnet" ],

src/ProjectTemplates/Web.ProjectTemplates/content/RazorComponentsWeb-CSharp/.template.config/vs-2017.3.host.json

@@ -10,7 +10,7 @@
     "package": "{0CD94836-1526-4E85-87D3-FB5274C5AFC9}",
     "id": "1026"
   },
-  "order": 100,
+  "order": 304,
   "icon": "vs-2017.3/WebApplication.png",
   "learnMoreLink": "https://go.microsoft.com/fwlink/?LinkID=784883",
   "uiFilters": [ "oneaspnet" ],

src/ProjectTemplates/Web.ProjectTemplates/content/Worker-CSharp/.template.config/vs-2017.3.host.json

@@ -10,7 +10,7 @@
     "package": "{0CD94836-1526-4E85-87D3-FB5274C5AFC9}",
     "id": "1026"
   },
-  "order": 100,
+  "order": 302,
   "icon": "vs-2017.3/Empty.png",
   "learnMoreLink": "https://go.microsoft.com/fwlink/?linkid=2072778",
   "uiFilters": [ "oneaspnet" ],