disable delete assay/tech type when it has children (UI)
disable delete assay/tech type when it has children (UI)

stuzart/seek,Virtual-Liver-Network/seek,kjgarza/frame_experiment,aina1205/nmtrypi-seek,aina1205/nmtrypi-seek,HITS-SDBV/seek,SynthSys/seek,HITS-SDBV/nmtrypi-seek,HITS-SDBV/nmtrypi-seek,aina1205/nmtrypi-seek,Virtual-Liver-Network/seek,HITS-SDBV/nmtrypi-seek,SynthSys/seek,HITS-SDBV/seek,SynthSys/seek,stuzart/seek,kjgarza/frame_experiment,Virtual-Liver-Network/seek,Virtual-Liver-Network/seek,HITS-SDBV/seek,SynthSys/seek,aina1205/nmtrypi-seek,HITS-SDBV/seek,kjgarza/frame_experiment,kjgarza/frame_experiment,stuzart/seek,HITS-SDBV/nmtrypi-seek