Fix bug on ping page in dashboard
Fix bug on ping page in dashboard

Pings were not displayed live when the ping tab was not the first tab displayed

memezilla/uptime,ptisp/uptime,jraigneau/watchdog,f33rx/docker-uptime,SaravananPerumal23/uptime2,blendlabs/uptime,nacyot/uptime,RafeHatfield/nodeuptime,bathree/uptime,f33rx/docker-uptime,arthurpro/uptime,rkmallik/uptime-openshift,WillGuan105/uptime,aregpetrosyan/web,aregpetrosyan/web,traskat/uptime,blackboard/uptime,nerevu/uptime,0x8BADFOOD/uptime,askcs/uptime,brianjking/uptime,GuptaVineet-IBM/upTime_ford,SufianHassan/uptime,SpringerPE/uptime,rkmallik/uptime-openshift,b-pedzik/uptime,phanan/uptime,nerevu/uptime,sinkingshriek/uptime,cloudfoundry-community/uptime-cfready,scalp42/uptime,heamon7/uptime,MichaelStephan/uptime,Maluuba/uptime,ptisp/uptime,fzaninotto/uptime,prune998/uptime,erpframework/uptime,ifavo/uptime,SaravananPerumal23/uptime2