Mail Body via File on Node doesn't work

Wappler Version : 3.4
Operating System : mac / docker node

Expected behavior

The File option of Mail Body should work

Actual behavior

Selecting a file results in this:

Screen Shot 2020-10-15 at 9.36.07 AM

The edit icon does not show the file contents:

Screen Shot 2020-10-15 at 9.36.31 AM

And the open in editor produces an error that the file does not exist…the /public/ in the path has been duplicated.

As a side-bug/note:

If a file has not been selected, the following is displayed if the edit icon is clicked: