Use quit-restore-window to close tab (bug#39446)
* lisp/tab-bar.el (display-buffer-in-new-tab): New function with code from display-buffer-in-tab. (display-buffer-in-tab): Call display-buffer-in-new-tab. (switch-to-buffer-other-tab): Instead of 'display-buffer-same-window' use '(reusable-frames . t)'. * lisp/windmove.el (windmove-display-in-direction): Set arg 'type' to 'tab' for window--display-buffer when creating a new tab. * lisp/window.el (quit-restore-window): Call tab-bar-close-tab when quit-restore type is 'tab'. (display-buffer-record-window): Set window-parameter 'quit-restore' to 'tab' for type 'tab'. (window--display-buffer): Set window-prev-buffers to nil for tab too.