updated requestlist model

ModelsLib/RequestList.fs

@@ -2,13 +2,10 @@ namespace DeskHubSharpRevised.Models
 
 open System.Collections.ObjectModel
 
-type RequestList =
-    static member userDetail
-        with get(): obj = null
-        and set(value) = RequestList.userDetail <- value
-    static member branchDetail
-        with get(): ObservableCollection<Branch> = null
-        and set(value: ObservableCollection<Branch>) = RequestList.branchDetail <- value
-    static member repoDetail
-        with get(): ObservableCollection<RepoDetail> = null
-        and set(value: ObservableCollection<RepoDetail>) = RequestList.repoDetail <- value
+type RequestList() =
+    static member val userDetail = new User()
+        with get, set
+    static member val branchDetail = new ObservableCollection<Branch>()
+        with get, set
+    static member val repoDetail = new ObservableCollection<RepoDetail>()
+        with get, set