1. Include SharePoint-Form for grabbing the Attatchment
2. Copy the Attatchment and Paste it outside the form
3. Delete the form because you don't need it how you describe it
4. Add an Icon
5. Add Code to the OnSelect Property that either makes the attatchements control visible/navigate to there or anything else so that the user can interact with the attatchment control
6. Adjust the properties of the Attatchment control to Max Files 1
7. Insert a Image Control with the Code to reference the Uploaded Picture
Last(Attatchment.Attachments).Value
8. Make a Patch Function and the Image could be
Patch(
Testlist,
Defaults(Testlist),
{
Title:"Patch PowerAppS",
Image: Image1.Image
}
)