fix: `ItemsControlFromItemContainer` typo (#13118)

- Renamed `ItemsControlFromItemContaner` in `ItemsControlFromItemContainer'
- Add `ItemsControlFromItemContaner`  with attributes `Obsolete` and `EditorBrowsable Never` that call `ItemsControlFromItemContainer`

src/Avalonia.Controls/ItemsControl.cs

@@ -305,7 +305,20 @@ namespace Avalonia.Controls
         /// <returns>
         /// The owning <see cref="ItemsControl"/> or null if the control is not an items container.
         /// </returns>
-        public static ItemsControl? ItemsControlFromItemContaner(Control container)
+        [Obsolete("Typo, use ItemsControlFromItemContainer instead")]
+        [EditorBrowsable(EditorBrowsableState.Never)]
+        [Browsable(false)]
+        public static ItemsControl? ItemsControlFromItemContaner(Control container) =>
+            ItemsControlFromItemContainer(container);
+
+        /// <summary>
+        /// Returns the <see cref="ItemsControl"/> that owns the specified container control.
+        /// </summary>
+        /// <param name="container">The container.</param>
+        /// <returns>
+        /// The owning <see cref="ItemsControl"/> or null if the control is not an items container.
+        /// </returns>
+        public static ItemsControl? ItemsControlFromItemContainer(Control container)
         {
             var c = container.Parent as Control;
 

src/Avalonia.Controls/ListBoxItem.cs

@@ -55,7 +55,7 @@ namespace Avalonia.Controls
             if (e.Handled)
                 return;
 
-            if (!e.Handled && ItemsControl.ItemsControlFromItemContaner(this) is ListBox owner)
+            if (!e.Handled && ItemsControl.ItemsControlFromItemContainer(this) is ListBox owner)
             {
                 var p = e.GetCurrentPoint(this);
 
@@ -97,7 +97,7 @@ namespace Avalonia.Controls
 
                 if (new Rect(Bounds.Size).ContainsExclusive(point.Position) &&
                     tapRect.ContainsExclusive(point.Position) &&
-                    ItemsControl.ItemsControlFromItemContaner(this) is ListBox owner)
+                    ItemsControl.ItemsControlFromItemContainer(this) is ListBox owner)
                 {
                     if (owner.UpdateSelectionFromPointerEvent(this, e))
                     {