an alternative to consider could be, under the sink swap the pipes between the shut of valve and the tap, hopefully there is enough slack in the connection to the dishwasher to stretch the extra couple of inches. You're probably not going to be lucky enough that the hard pipe on the hot will be right length to fit neatly on the cold, so you would have to buy a flexible hose, as has been added on the cold side.
This way you would preserve the hot/cold orientation of the taps.
In the UK dishwashers are cold fill as standard, the cycle takes a lot longer, in the manula it states that you canmak it hot fill for shorter cycle time, but wash won't be as good. UK dishwashers also have a resorvoir you have to fill with softening salt.
When installing a US dishwasher I remember it saying cold fill was an option, it should heat the water, but it takes longer.
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