Don't reload list timeline if edit screen is closed without making changes

Tusker/Screens/Lists/EditListAccountsViewController.swift

@@ -12,12 +12,12 @@ import Combine
 
 class EditListAccountsViewController: EnhancedTableViewController {
 
+    private var list: List
     let mastodonController: MastodonController
     
-    private var list: List
+    var changedAccounts = false
     
     var dataSource: DataSource!
-    
     var nextRange: RequestRange?
     
     var searchResultsController: SearchResultsViewController!
@@ -122,6 +122,7 @@ class EditListAccountsViewController: EnhancedTableViewController {
     }
     
     private func addAccount(id: String) async {
+        changedAccounts = true
         do {
             let req = List.add(list, accounts: [id])
             _ = try await mastodonController.run(req)
@@ -137,6 +138,7 @@ class EditListAccountsViewController: EnhancedTableViewController {
     }
     
     private func removeAccount(id: String) async {
+        changedAccounts = true
         do {
             let request = List.remove(list, accounts: [id])
             _ = try await mastodonController.run(request)

Tusker/Screens/Lists/ListTimelineViewController.swift

@@ -71,13 +71,16 @@ class ListTimelineViewController: TimelineViewController {
     }
     
     @objc func editListDoneButtonPressed() {
+        let presented = (presentedViewController as? UINavigationController)?.viewControllers.first as? EditListAccountsViewController
+        
         dismiss(animated: true)
         
-        // TODO: only reload if there were changes
+        if presented?.changedAccounts == true {
             Task {
                 applyInitialSnapshot()
                 await controller.loadInitial()
             }
         }
+    }
 
 }