make inputAccessoryBar delete button easier to tap

VoidLink/Input/InputAccessoryBar.swift

@@ -41,6 +41,7 @@ private enum InputAccessoryBarMetrics {
     static let releaseDuration: TimeInterval = 0.18
     static let reorderAnimationDuration: TimeInterval = 0.2
     static let deleteButtonSize: CGFloat = 22
+    static let deleteButtonHitExpansion: CGFloat = 10
     static let dragScale: CGFloat = 1.06
     static let dragLiftY: CGFloat = -2
     static let editOverlayDimAlpha: CGFloat = 0.001
@@ -48,6 +49,17 @@ private enum InputAccessoryBarMetrics {
     static let edgeAutoScrollStep: CGFloat = 6
 }
 
+@available(iOS 13.0, *)
+private final class InputAccessoryDeleteButton: UIButton {
+    override func point(inside point: CGPoint, with event: UIEvent?) -> Bool {
+        let expandedBounds = bounds.insetBy(
+            dx: -InputAccessoryBarMetrics.deleteButtonHitExpansion,
+            dy: -InputAccessoryBarMetrics.deleteButtonHitExpansion
+        )
+        return expandedBounds.contains(point)
+    }
+}
+
 @available(iOS 13.0, *)
 private struct InputAccessoryBarButtonRecord {
     let buttonLabel: String
@@ -396,7 +408,7 @@ private final class InputAccessoryCapsuleButton: UIButton {
 @available(iOS 13.0, *)
 private final class InputAccessoryBarItemView: UIView {
     let button: InputAccessoryCapsuleButton
-    let deleteButton = UIButton(type: .system)
+    let deleteButton = InputAccessoryDeleteButton(type: .system)
     var deleteHandler: (() -> Void)?
 
     init(title: String) {