[Server] Flea player offer selling code needs to be refactored

[refringe]

The current implementation has a number of drawbacks and a new approach is required to better simulate selling on live.

Relevant code:

RagfairController.addPlayerOffer()
RagfairOfferHelper.processOffersOnProfile()

Problems:

• Low maintainability
• Difficult to adjust
• Offers well below average take a long time to sell

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Originally written by chomp

[refringe]

Offers well below average take a long time to sell

Looking though the code I think RagfairSellHelper.rollForSale() would be the place to add logic that considers the sell price.

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Originally written by snekcode

[refringe]

This has been somewhat alleviated by having the flea offer check time reduced to 8 secs when out of raid + the adjustments made to the sell curve

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Originally written by chomp