visualizer: limit label size of trace nodes
visualizer: limit label size of trace nodes

DanielTomlinson/ohm,coopsource/ohm,anfedorov/ohm,DanielTomlinson/ohm,harc/ohm,anfedorov/ohm,coopsource/ohm,coopsource/ohm,anfedorov/ohm,cdglabs/ohm,harc/ohm,cdglabs/ohm,DanielTomlinson/ohm,harc/ohm,cdglabs/ohm