Make widget-browse-at always detect an editable-field

* lisp/wid-browse.el (widget-browse-at): Also look for the real-field
property when detecting a field (bug#37199).
1 job for master in 83 minutes and 15 seconds (queued for 4 seconds)
Status Job ID Name Coverage
  Test
passed #3293
test-all

01:23:15