98_Hyperion: fix wrong priority for off, fix dim/dimUp/dimDown, clear clears now the default priority without argument, extend default attr webCmd, new default attr cmdIcon

[System]

98_Hyperion: fix wrong priority for off, fix dim/dimUp/dimDown, clear clears now the default priority without argument, extend default attr webCmd, new default attr cmdIcon

98_Hyperion: fix wrong priority for off, fix dim/dimUp/dimDown, clear clears now the default priority without argument, extend default attr webCmd, new default attr cmdIconView Changes

Source: 98_Hyperion: fix wrong priority for off, fix dim/dimUp/dimDown, clear clears now the default priority without argument, extend default attr webCmd, new default attr cmdIcon