How exciting for you and your little daughter. Christmas is such a fun time for kids. Glad your daughter won't be deprived of the joy. You will get to experience that joy now too. To any jws out there lurking - no it's not damaging to kids to let them believe in santa in their youth (I've heard this many times from my jw family). What is damaging is letting children think that if they're not pretty darn close to perfect, god will destroy them and that demons are around them all the time trying to tempt them. Now that is damaging!
Wishing you and your daughter a very merry 1st christmas