add suggestAlternative to validator rules with autofix

[Klumbumbus]

All mapcss validator rules which have FixAdd should also have `suggestAlternative´ to inform the user, what the fixbutton does.

[Klumbumbus]

In 9551/josm:

fix #12404 - add suggestAlternative to validator rules with FixAdd or FixChangeKey; replace tr("{0}={1} is deprecated", "{0.key}", "{0.value}"); by shorter tr("{0} is deprecated", "{0.tag}");

[Klumbumbus]

In 9552/josm:

fix #10290 - remove wadi direction arrows; see #12404 - improve fence_type=chain validator warning message

[Klumbumbus]

In 9557/josm:

see #12404 - typo