Inprove corfu key mapping.

Escape key now is not globally taken, tab do nothing and
also all keys only was triggered when the corfu pop is open.

configs/init-corfu.el

@@ -21,8 +21,10 @@
                    :includes (corfu-info corfu-history))
   :hook ((elpaca-after-init . global-corfu-mode)
          (corfu-mode . corfu-popupinfo-mode))
-  :bind (("<escape>" . corfu-quit)
-         ("<SPC>" . corfu-insert-separator))
+  :bind (:map corfu-map
+              ([tab] . nil)
+              ("<escape>" . corfu-quit)
+              ("<SPC>" . corfu-insert-separator))
   :custom
   (corfu-auto t)
   :config