If you want to get the "edit button" in your list view you can do the following steps:

1.) Modify the view of your list

[![enter image description here][1]][1]

2.) Check the column "Edit (link to edit item) and save the view

[![enter image description here][2]][2]

3.) Click on the edit icon in your view. This will open the list item or the document properties directly.

[![enter image description here][3]][3]

Maybe that's an option for you
  [1]: https://i.sstatic.net/8cc60.png
  [2]: https://i.sstatic.net/9WSAm.png
  [3]: https://i.sstatic.net/bBhKS.png