Custom build from source with InstalledEngineBuild.xml,No fab plugin availble in the builded engine

I am build engien from source with command below

AutomationTool.exe BuildGraph -script=Engine/Build/InstalledEngineBuild.xml -target="Make Installed Build Win64" -nosign -set:GameConfigurations=Development;Shipping -set:WithWin64=true -set:WithAndroid=true -set:WithDDC=true -set:WithLinux=false -set:WithLinuxArm64=false -set:WithIOS=false -set:WithTVOS=false -set:WithMac=false -set:WithServer=true -set:WithClient=false

But there no fab folde in the build engine plugins folde . I has to build it mannually and put it in the engine folder.