flood of debug warnings

### Impacted plugin

Jetpack

### Steps to Reproduce

1. enable wp debug
2. load a page

### A clear and concise description of what you expected to happen.

no flood of warnings making debugging annoying

### What actually happened

error spew: multiple instances of
`Notice: Function Automattic\Jetpack\Assets::alias_textdomain was called incorrectly. Textdomain aliases should be registered before the wp_default_scripts hook. This notice was triggered by the jetpack-wordads domain. Please see Debugging in WordPress for more information. in /home/cardin55/public_html/wp-includes/functions.php on line 5835`
and
`Deprecated: Hook jetpack_check_mobile is deprecated since version jetpack-8.3.0 with no alternative available. in /home/cardin55/public_html/wp-includes/functions.php on line 5768`

### Browser

Mozilla Firefox, Apple Safari

### Other information

_No response_

### Platform (Simple, Atomic, or both?)

Self-hosted

### Reproducibility

Consistent

### Severity

One

### Available workarounds?

No but the platform is still usable

### Workaround details

_No response_

Reproduce the issue on a self-hosted WordPress installation with WP debug enabled, then search Jetpack for Assets::alias_textdomain and the jetpack_check_mobile hook. Trace which code paths produce the two reported notices and verify that loading a page no longer emits the warning flood.

Written by the indexing model from the issue text.