input-panel-ivi: revert one patch to be separeated

Signed-off-by: Nobuhiko Tanibata <NOBUHIKO_TANIBATA@xddp.denso.co.jp>
input-panel-ivi: add \!seat->keyboard->focus to condition

Signed-off-by: Nobuhiko Tanibata <NOBUHIKO_TANIBATA@xddp.denso.co.jp>