Add workaround for terminals claiming to be xterm*

.config/zsh/keys.zsh

@@ -63,8 +63,8 @@ if [[ "${TERM}" == rxvt* ]]; then
     bindkey '^[Ob'    history-substring-search-down
 fi
 
-# termux claims it is xterm <https://github.com/termux/termux-app/issues/2744>
-if [[ ${TERM} == xterm* && ! -v TERMUX_APP_PID && ! -v ALACRITTY_SOCKET ]]; then
+# A lot of terminals claim they are xterm, so we check for version variable too
+if [[ ${TERM} == xterm* && -v XTERM_VERSION ]]; then
     bindkey '^H'      backward-delete-char
     bindkey '^?'      backward-delete-word
 fi