fix: send correct codes with del and esc #5025
Open
+55
−1
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With kitty keyboard protocol enabled, both DEL and ESC key sends legacy keys - DEL sends
^H
and ESC sends^[
. To be in line with kitty keyboard protocol, they should sendCSI 3 ~
andCSI 27 u
respectively based on the https://sw.kovidgoyal.net/kitty/keyboard-protocol/#functional-key-definitions.Fixes #4785