@casperkotwal Try to change your code to include item-content in your custom component:
<ion-list>
<ion-item text-wrap *ngFor="let html of survey.structure">
<my-compo item-content></my-compo>
</ion-item>
</ion-list>
Or include the ion-item inside your custom component:
<ion-item text-wrap>
<ion-label fixed>Title</ion-label>
<ion-input type="text" value=""></ion-input>
</ion-item>
and use it like:
<ion-list>
<my-compo *ngFor="let html of survey.structure"></my-compo>
</ion-list>
More info here: