Select items after load

CHDataManagement/Main/MainView.swift

@@ -244,6 +244,7 @@ struct MainView: App {
             return
         }
         content.loadFromDisk { errors in
+            prepareAfterLoad()
             guard !errors.isEmpty else {
                 return
             }
@@ -252,6 +253,21 @@ struct MainView: App {
         }
     }
 
+    private func prepareAfterLoad() {
+        if selectedPost == nil {
+            selectedPost = content.posts.first
+        }
+        if selectedPage == nil {
+            selectedPage = content.pages.first
+        }
+        if selectedTag == nil {
+            selectedTag = content.tags.first
+        }
+        if selectedFile == nil {
+            selectedFile = content.files.first
+        }
+    }
+
     private func showInitialSheet() {
         DispatchQueue.main.async {
             selectedSection = .folders