Fixed the previously introduced (stupid) issue of missing the unpack function

Author: starrify

docs/scripting-ref.rst

@@ -433,7 +433,7 @@ amount of time:
                if not ok then
                    return ok, string.format('wait failed: %s', reason)
                end
-               local check_result = check_func(vargs)
+               local check_result = check_func(unpack(vargs))
                if check_result then
                    return true, check_result
                end