Issue
The user needs to use the enter key on the textarea but not in formGroup.
Heres my html
<form [formGroup]="interventionForm" (ngSubmit)="onSubmit()" (keydown.enter)="$event.preventDefault()">
<textarea class="focus-input gap-textarea"></textarea>
<button type="submit" class="btn teq-btn">{{ lang.trans('send') }}</button>
</form>
The formGroup its not getting submited by pressing the enter key, but the textareas are getting affected to.
Solution
You need to use $event.stopPropagation() instead of $event.preventDefault().
Your code should look like this:
<form [formGroup]="interventionForm" (ngSubmit)="onSubmit()" (keydown.enter)="$event.stopPropagation()">
<textarea class="focus-input gap-textarea"></textarea>
<button type="submit" class="btn teq-btn">{{ lang.trans('send') }}</button>
</form>