Merge pull request #230 from syncfusion/ExpanderLongPress

Fix SfExpander arrow color not restoring after cancelled touch gesture

Author: PaulAndersonS

maui/src/Expander/ExpanderHeader.cs

@@ -604,12 +604,35 @@ public void OnTouch(Internals.PointerEventArgs e)
 				if (e.Action == PointerActions.Released)
 				{
 					Expander._effectsView.Reset();
+
+					// Restore icon color based on current state.
+                    if (IsMouseHover)
+                    {
+                        if (Expander.HasVisualStateGroups())
+                        {
+                            UpdateIconColor(Expander.HeaderIconColor);
+                        }
+                        else
+                        {
+                            UpdateIconColor(Expander.HoverIconColor);
+                        }
+                    }
+                    else if (!Expander.IsSelected)
+                    {
+                        UpdateIconColor(Expander.HeaderIconColor);
+                    }
 				}
 
 				if (e.Action == PointerActions.Cancelled)
 				{
 					Expander._effectsView.Reset();
 					IsMouseHover = false;
+
+					// Restore icon color to normal state since mouse hover is reset
+                    if (!Expander.IsSelected)
+                    {
+                        UpdateIconColor(Expander.HeaderIconColor);
+                    }
 				}
 			}
 		}