* lisp/tab-bar.el (switch-to-buffer-other-tab): Use display-buffer-in-tab.

* lisp/tab-bar.el (switch-to-buffer-other-tab): Use display-buffer-in-tab.

(tab-bar--tab): Use float-time instead of integer.
This improves correct detection of recent tabs switched within 1 sec.
(tab-bar--current-tab, tab-bar--current-tab-index)
(tab-bar--tab-index, tab-bar--tab-index-by-name)
(tab-bar--tab-index-recent): Add optional arg FRAME.
(tab-bar-move-tab-to-frame): Add with-selected-frame for tab-bar-close-tab.
(tab-bar--reusable-frames): New function.
(tab-bar-get-buffer-tab): Add index to the found tab.
(display-buffer-in-tab): Use `tab-name' entry instead of `name'.
Add `reusable-frames' entry.  (bug#38354)