modified entries now retain their position

src/KeyKeeper/PasswordStore/IPassStoreDirectory.cs

@@ -7,4 +7,5 @@ public interface IPassStoreDirectory : IEnumerable<PassStoreEntry>
 {
     bool DeleteEntry(Guid id);
     void AddEntry(PassStoreEntry entry);
+    void UpdateEntry(Guid id, PassStoreEntry entry);
 }

src/KeyKeeper/PasswordStore/PassStoreEntryGroup.cs

@@ -85,6 +85,21 @@ public class PassStoreEntryGroup : PassStoreEntry, IPassStoreDirectory
         return false;
     }
 
+    public void UpdateEntry(Guid id, PassStoreEntry entry)
+    {
+        entry.Parent = this;
+        if (ChildEntries == null)
+            return;
+        for (int i = 0; i < ChildEntries.Count; i++)
+        {
+            if (ChildEntries[i].Id == id)
+            {
+                ChildEntries[i] = entry;
+                return;
+            }
+        }
+    }
+
     IEnumerator<PassStoreEntry> IEnumerable<PassStoreEntry>.GetEnumerator()
     {
         return ChildEntries.GetEnumerator();

src/KeyKeeper/ViewModels/UnlockedRepositoryViewModel.cs

@@ -77,8 +77,7 @@ public class UnlockedRepositoryViewModel : ViewModelBase
 
     public void UpdateEntry(PassStoreEntryPassword updatedEntry)
     {
-        currentDirectory.DeleteEntry(updatedEntry.Id);
+        currentDirectory.UpdateEntry(updatedEntry.Id, updatedEntry);
-        currentDirectory.AddEntry(updatedEntry);
         HasUnsavedChanges = true;
         OnPropertyChanged(nameof(Passwords));
     }