bug: older browsers show sheet modal with a flicker (no web animations support)

### Prerequisites

- [X] I have read the [Contributing Guidelines](https://github.com/ionic-team/ionic-framework/blob/main/.github/CONTRIBUTING.md#creating-an-issue).
- [X] I agree to follow the [Code of Conduct](https://ionicframework.com/code-of-conduct).
- [X] I have searched for [existing issues](https://github.com/ionic-team/ionic-framework/issues) that already report this problem, without success.

### Ionic Framework Version

- [ ] v4.x
- [ ] v5.x
- [X] v6.x
- [ ] Nightly

### Current Behavior

Sheet modal flickers when the animation comes to end on some old Androids, **which do not support web animations**.

### Expected Behavior

Sheet modal does not flicker.

### Steps to Reproduce

I just wrote a simple example, and run it on an Android device.

### Code Reproduction URL

_No response_

### Ionic Info

Ionic:

Ionic CLI : 6.19.1
Ionic Framework : @ionic/angular 6.1.6
@angular-devkit/build-angular : 13.2.6
@angular-devkit/schematics : 13.2.6
@angular/cli : 13.2.6
@ionic/angular-toolkit : 6.1.0

Capacitor:

Capacitor CLI : 3.5.1
@capacitor/android : 3.5.1
@capacitor/core : 3.5.1
@capacitor/ios : not installed

Utility:

cordova-res : not installed globally
native-run : 1.6.0

System:

NodeJS : v14.18.2
npm : 6.14.15
OS : macOS Monterey

### Additional Information

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