Menu: Reduce SWITCHES_SET_STRING_LENGTH to X_SIZE - 1

Pointer is take 2 chars - one terminator '\0' we have X_SIZE - 1

Signed-off-by: Zarko Kostadinovski <zare_aw@yahoo.com>
Menu: Time dependency, add Set Time

Signed-off-by: Zarko Kostadinovski <zare_aw@yahoo.com>