WI:Swedes arent routed at Nordlingen

In OTL the battle of Nordlingen(1634) the swedish army was routed for the first and only time during the thirty years war. Assuming instead that the battle is a minor tactical defeat or even a draw how much quicker would this help the swedes end the war?
 
There are a number of possible outcomes. Most likely the war would be shorter, and with greater Swedish gains, although the dismantling of the empire or severe Hapsburg losses are extremely unlikely, especially the former. Also, it is plausible that the French would continue merely to subsidize the Protestants and not directly intervene.
 
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