Update Kilosort triggering to look for data that is pre-processed with CatGT

[kabilar]

• For the ephys_precluster module, when CatGT analysis is run prior to Kilosort, update the Clustering, WaveformSet, and LFP tables to look for CatGT results.
  • spikeglx_meta_filepath = get_spikeglx_meta_filepath(key)