How to install plugins from source-built ue4 engine (Dedicated server builds)

No need for whole engine rebuild that is good !
I have invisible DMMESH on HTML5 builds.
I use buildin plugins Apex destruction. (i just enabled from editor)
I also just rebuild project solution.
I sow browser console log something like Apex destruction loaded.
I dont see it in build package in eu4.24 output logs.

I added simple direct on world scene. No BP.
but object not visible!

Did i need to find plugin folder of apex destruction and copy it intro [project folder root]/Plugins/ .

If i need this where to find plugins who are inbuild ! Any suggestion thanks.

I find this interest fact: