Unsticking Things in Inventories

There is in fact a way to reset the pay rate: NRaas > MC > Intermediate > Career > Bonus (also a MC Cheats feature). This will allow you to add (or subtract) from any sim's base pay. So if you remember what she was earning before the temporary demotion, you can add it back when you're done. This function works well for me, but igazor has had issues getting the numbers to cooperate; he thought it might have something to do with how salaries are calculated differently in Bridgeport. Still, you could futz around with the function until you got what you wanted.

As far as the Medical Journal is concerned, I'm not sure how to restore it, other than by using the same demotion/promotion technique. You can always flush the sim's inventory after the demotion; hopefully, that will get rid of the empty space marker you're seeing.