Fix `delete-frame' behavior including Bug#26682

Fix `delete-frame' behavior including Bug#26682

* src/frame.c (other_frames): Accept two arguments now.  Don't
care about minibuffer window.  Don't care about visibility when
called from delete_frame with FORCE true (Bug#26682).
(delete_frame, Fmake_frame_invisible): Adjust other_frames
calls.
* src/w32term.c (w32_read_socket): Don't add a move frame event
for an invisible frame.
* lisp/frame.el (handle-delete-frame): Don't kill Emacs when
attempting to delete a surrogate minibuffer frame.