Appends 'No data' in the case of empty payload from clicking on leaf of topology chart.
Appends 'No data' in the case of empty payload from clicking on leaf of topology chart.

slashk/goldstone-server,Solinea/goldstone-server,Solinea/goldstone-server,Solinea/goldstone-server,slashk/goldstone-server,slashk/goldstone-server,Solinea/goldstone-server,Solinea/goldstone-server,slashk/goldstone-server,slashk/goldstone-server