Include discount 'message' in the 'sales by discount' report

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With discount functions, we have the ability to return multiple discount proposals from within one discount function. You can optionally give each proposal a different 'message'. These messages are ignored for 'code' based discounts, but not for automatic discounts.

It would be fantastic to add a column to the Sales by discount report, whereby it includes Automatic discount message, as currently the Discount name and Automatic discount title are the same thing.

Adding this would give the ability for a merchant to see how specific discount proposals are performing within a discount.