Fix BacktestingBrokerage to set BrokerageId
Fix BacktestingBrokerage to set BrokerageId

Phoenix1271/Lean,squideyes/Lean,young-zhang/Lean,bdilber/Lean,bdilber/Lean,rchien/Lean,QuantConnect/Lean,redmeros/Lean,Neoracle/Lean,tzaavi/Lean,bizcad/LeanJJN,wowgeeker/Lean,bizcad/Lean,andrewhart098/Lean,florentchandelier/Lean,Obawoba/Lean,racksen/Lean,iamkingmaker/Lean,Jay-Jay-D/LeanSTP,Mendelone/forex_trading,tzaavi/Lean,devalkeralia/Lean,jameschch/Lean,tzaavi/Lean,bizcad/LeanAbhi,Mendelone/forex_trading,AnshulYADAV007/Lean,iamkingmaker/Lean,Obawoba/Lean,dalebrubaker/Lean,exhau/Lean,racksen/Lean,FrancisGauthier/Lean,desimonk/Lean,tzaavi/Lean,bdilber/Lean,wowgeeker/Lean,bizcad/LeanAbhi,desimonk/Lean,FrancisGauthier/Lean,mabeale/Lean,AnObfuscator/Lean,dpavlenkov/Lean,AnObfuscator/Lean,dalebrubaker/Lean,kaffeebrauer/Lean,Obawoba/Lean,bizcad/LeanAbhi,wowgeeker/Lean,florentchandelier/Lean,a-hart/Lean,mabeale/Lean,dalebrubaker/Lean,devalkeralia/Lean,rchien/Lean,andrewhart098/Lean,dpavlenkov/Lean,QuantConnect/Lean,desimonk/Lean,AlexCatarino/Lean,andrewhart098/Lean,mabeale/Lean,tomhunter-gh/Lean,Obawoba/Lean,jameschch/Lean,young-zhang/Lean,tomhunter-gh/Lean,JKarathiya/Lean,bdilber/Lean,bizcad/LeanJJN,jameschch/Lean,bizcad/LeanJJN,tomhunter-gh/Lean,AlexCatarino/Lean,exhau/Lean,QuantConnect/Lean,bizcad/Lean,tomhunter-gh/Lean,bizcad/LeanJJN,Mendelone/forex_trading,dpavlenkov/Lean,redmeros/Lean,desimonk/Lean,bizcad/LeanITrend,Phoenix1271/Lean,AnshulYADAV007/Lean,AnObfuscator/Lean,devalkeralia/Lean,jameschch/Lean,rchien/Lean,StefanoRaggi/Lean,dalebrubaker/Lean,young-zhang/Lean,Neoracle/Lean,Jay-Jay-D/LeanSTP,JKarathiya/Lean,Phoenix1271/Lean,StefanoRaggi/Lean,AlexCatarino/Lean,redmeros/Lean,wowgeeker/Lean,redmeros/Lean,Neoracle/Lean,AnshulYADAV007/Lean,mabeale/Lean,andrewhart098/Lean,florentchandelier/Lean,young-zhang/Lean,AnshulYADAV007/Lean,bizcad/Lean,bizcad/LeanAbhi,Mendelone/forex_trading,JKarathiya/Lean,exhau/Lean,rchien/Lean,squideyes/Lean,kaffeebrauer/Lean,bizcad/LeanITrend,FrancisGauthier/Lean,florentchandelier/Lean,dpavlenkov/Lean,exhau/Lean,jameschch/Lean,iamkingmaker/Lean,Jay-Jay-D/LeanSTP,bizcad/LeanITrend,iamkingmaker/Lean,Jay-Jay-D/LeanSTP,AnshulYADAV007/Lean,FrancisGauthier/Lean,JKarathiya/Lean,kaffeebrauer/Lean,AnObfuscator/Lean,kaffeebrauer/Lean,StefanoRaggi/Lean,racksen/Lean,a-hart/Lean,StefanoRaggi/Lean,squideyes/Lean,Jay-Jay-D/LeanSTP,Phoenix1271/Lean,StefanoRaggi/Lean,Neoracle/Lean,QuantConnect/Lean,devalkeralia/Lean,kaffeebrauer/Lean,racksen/Lean,bizcad/Lean,squideyes/Lean,bizcad/LeanITrend,AlexCatarino/Lean