contrib/bsddialog: Import version 1.0.5

Version for change and feature requests.

• Improve documentation for --alternate-screen and --normal-screen. Request: https://bugs.freebsd.org/285459. (This PR is not about bsddialog itself but is used as an example for an official FreeBSD documentation request.)

• Reduce the number of screen refreshes to improve performance over a 115200 UART connection. Request: https://gitlab.com/alfix/bsddialog/-/issues/8.

• Change textbox buttons to return distinct values (previously always returned OK). Request: https://reviews.freebsd.org/D48668; already committed in contrib/ 96a241a35905078bdc5d20bf25943cdb67758dea

• Change forms navigation key behavior for ENTER and TAB. Request: https://bugs.freebsd.org/287592.

Refer to /usr/src/contrib/bsddialog/CHANGELOG to know more.

PR: 287592
Reported by: adrian
Approved by: re (cperciva)
Sponsored by: The FreeBSD Foundation

Merge commit '653f765f05b8c7e3908ae92e9bf61522a50cefc9' into YYY

(cherry picked from commit 3e42d7194bdcd4fbfd781518258f919d6ac803d3)
(cherry picked from commit aa2fe36f5e4b3b907af2ea94945ae9cab7263d0c)