Files with ".x" extension show no type and wrong icon ("PerceivedType" not handled or handled incorrectly)

reactos-bootcd-0.4.15-dev-7108-g1cf6ce6-x86-gcc-lin-dbg

.x files show no type. 
: should be indicated as "X file"

.x files show default icon
: should use default "text" icon

PerceivedType handled in some places, but not here : https://git.reactos.org/?p=reactos.git&a=search&st=grep&s=PerceivedType 

https://learn.microsoft.com/en-us/previous-versions/windows/desktop/legacy/cc144150(v=vs.85)

Win2K3 :