Ignore index change for -1

Author: Jack251970

Flow.Launcher/ViewModel/SelectBrowserViewModel.cs

@@ -17,6 +17,8 @@ public int SelectedCustomBrowserIndex
         get => selectedCustomBrowserIndex;
         set
         {
+            // When one custom browser is selected and removed, the index will become -1, so we need to ignore this change
+            if (value < 0) return;
             if (selectedCustomBrowserIndex != value)
             {
                 selectedCustomBrowserIndex = value;

Flow.Launcher/ViewModel/SelectFileManagerViewModel.cs

@@ -21,6 +21,8 @@ public int SelectedCustomExplorerIndex
         get => selectedCustomExplorerIndex;
         set
         {
+            // When one custom file manager is selected and removed, the index will become -1, so we need to ignore this change
+            if (value < 0) return;
             if (selectedCustomExplorerIndex != value)
             {
                 selectedCustomExplorerIndex = value;