statusChange event not triggred initially

[ahelmel]

Description NGX-Formly does not emit a statusChange event initially.

Minimal Reproduction The message "### FORMLY, STATUS CHANGED" is not shown in the console. https://stackblitz.com/edit/angular-ivy-29j6ld?file=src/app/app.component.ts

A working Angular example, without using NGX-Formly: The message "### NG, STATUS CHANGED" is shown in the console. https://stackblitz.com/edit/angular-ivy-vn9otn?file=src/app/app.component.ts

Your Environment

• Angular version: 15.0.4
• Formly version: 6.0.4

Additional context It works with angular v9.0.1 and Formly v5.5.12. The message "### NG9: FORMLY, STATUS CHANGED" is shown in the console. https://stackblitz.com/edit/formly-starter-example-jqzzyf?file=src/app/app.component.ts