Is your feature request related to a problem? Please describe.
After a professional scan, it shows how many are listed in bags and the AH. If you click send to craft queue, it will send the amount based on the tsm expression or just a number in the settings. It does not consider the amount you have on the AH or in your bags, and for lazy crafters you may end up with more items than you intended to craft.

Describe the solution you'd like
I have tested adding this code from the UI.lua file to the RecipeScan file after line 55:

-- Calculate inventory and AH counts using UI logic
           local totalCountInv = 0
           local totalCountAH = 0
           for _, resultItem in pairs(recipeData.resultData.itemsByQuality) do
               totalCountInv = totalCountInv + C_Item.GetItemCount(resultItem:GetItemLink(), true, false, true)
               local countAH = CraftSim.PRICE_SOURCE:GetAuctionAmount(resultItem:GetItemLink()) or 0
               totalCountAH = totalCountAH + countAH
           end

           restockAmount = restockAmount - (totalCountInv + totalCountAH)
           restockAmount = math.max(restockAmount, 0)

This will only queue up amounts that are 'missing' from the total. For example, if I have 3 of an item and my restock value is 10, it will then take 10 - 4 and queue up 6 if everything else passes the other checks.