[iOS] Fix extra bottom space in ScrollView when using SafeAreaEdges (#30976)

* Fix ScrollView bottom padding

* Update KeyboardAutoManagerScroll.cs

Author: Tamilarasan-Paranthaman

src/Core/src/Platform/iOS/KeyboardAutoManagerScroll.cs

@@ -307,17 +307,18 @@ internal static async Task AdjustPositionDebounce()
 	{
 		if (IsKeyboardShowing)
 		{
-			// If we are going to a new view that has an InputAccessoryView
-			// while we have the keyboard up, we need a delay to recalculate
-			// the height of the InputAccessoryView
-			if (View?.InputAccessoryView is not null)
-			{
-				await Task.Delay(30);
-			}
+			// Universal 30ms delay for all input controls to ensure proper timing coordination
+			// between keyboard auto-scroll and safe area adjustments. 
+			// This delay allows the InputAccessoryView setup completion for input controls.
+			// Safe area system to process keyboard notifications first
+			// Conflict resolution between auto-scroll and SafeAreaEdges.SoftInput settings
+			// Without this delay, timing conflicts can cause double padding or incorrect positioning
+			await Task.Delay(30);
+
 			AdjustPosition();
 
 			// See if the layout requests to scroll again after our initial scroll
-			await Task.Delay(5);
+			await Task.Delay(30);
 			if (ShouldScrollAgain)
 			{
 				AdjustPosition();