Check on wrong assay?

[p-smirnov]

https://github.com/bhklab/PharmacoGx/blob/eeee68a021549bdfab23e85cdf57c15ae54a52cc/R/methods-summarizeMolecularProfiles.R#L227

Im about 60% sure this is supposed to be a 2 in the if statement, it does not really make much sense otherwise. The first assay should not be null, we just put it in there.