feat(angular): full support zoneless

[luisbytes]

Prerequisites

• [x] I have read the Contributing Guidelines.
• [x] I agree to follow the Code of Conduct.
• [x] I have searched for existing issues that already include this feature request, without success.

Describe the Feature Request

With the release of Angular 21, zoneless applications are now the default configuration. While zone.js can still be enabled, it is expected to be deprecated in the future.

Describe the Use Case

Adding zoneless support would let Ionic work out-of-the-box with Angular 21’s default setup and future Angular versions.

Describe Preferred Solution

No response

Describe Alternatives

No response

Related Code

No response

Additional Information

No response