feat(toast): add swipe to dismiss functionality (#28442)

Issue number: resolves #21769

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issue. -->

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## What is the current behavior?
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Toast does not support swipe gestures to dismiss.

## What is the new behavior?
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this PR. -->

- Added a `swipeGesture` property that allows users to swipe toasts
closed.
Note: This is a combination of previous PRs
https://github.com/ionic-team/ionic-framework/pull/28380 and
https://github.com/ionic-team/ionic-framework/pull/28402

⚠️ There is a visual glitch on iOS where dragging and having the toast
animate back to its opened position causes a flicker. This is an iOS 17
regression and is being tracked in
https://github.com/ionic-team/ionic-framework/issues/28467. This bug has
been reported to and confirmed by Apple.

## Does this introduce a breaking change?

- [ ] Yes
- [x] No

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and migration path for existing applications below. -->


## Other information

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screenshots of how the component looks before and after the change. -->

⚠️ Give co-author credit to author in
https://github.com/ionic-team/ionic-framework/pull/23124

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Co-authored-by: evgeniy-skakun <evgeniy-skakun@users.noreply.github.com>

core/src/components/modal/gestures/swipe-to-close.ts

@@ -2,6 +2,7 @@ import { getTimeGivenProgression } from '@utils/animation/cubic-bezier';
 import { isIonContent, findClosestIonContent, disableContentScrollY, resetContentScrollY } from '@utils/content';
 import { createGesture } from '@utils/gesture';
 import { clamp, getElementRoot } from '@utils/helpers';
+import { OVERLAY_GESTURE_PRIORITY } from '@utils/overlays';
 
 import type { Animation } from '../../../interface';
 import type { GestureDetail } from '../../../utils/gesture';
@@ -292,7 +293,7 @@ export const createSwipeToCloseGesture = (
   const gesture = createGesture({
     el,
     gestureName: 'modalSwipeToClose',
-    gesturePriority: 39,
+    gesturePriority: OVERLAY_GESTURE_PRIORITY,
     direction: 'y',
     threshold: 10,
     canStart,