ams: convert to util::ConstructAt where appropriate

ams: remove TYPED_STORAGE() macro in favor of template

[tma2] [Ongoing] Continue implementing modules for tma2. (#1388) ...

* cs: add stub sysmodule to host command shell server

* cs: implement logic for main (linker error paradise, for now)

* cs: implement more of the system module's skeleton

* htcs: update client type names for libnx pr merge

htc: implement htcmisc service object commands

htcs: fixes, echo server is now fully functional

htcs: implement virtual socket collection

htcs: hook up HtcsService to rpc client

htcs: fix magic template argument deduction, do Close/Connect/Bind

htcs: declare all rpc tasks

htcs: hook up CreateSocket/RpcClient Begin<>/End<>

htc: fix event wait loops for rpc clients

htc: fixes, can now enter ReadyState with wip starlink code

htc: finish last code for Main()

htc: skeleton HtcsManagerImpl, implement HtcsMonitor

htc: ObserverThread (mostly), system now boots + works with htc in bg

htc: implement psc/pm loop

htc: implement HtcmiscImpl::ServerThread/HtcmiscRpcServer::ReceiveThread

htc: Implement RpcClient::ReceiveThread + SendThread

htc: Implement HtcmiscImpl::ClientThread

htc: add RpcTaskQueue/RpcTaskIdFreeList

htc: nullptr != false

htc: add RpcTaskTable

htc: implement htcmisc rpc tasks

htc: skeleton constructors for htcmisc

htc: implement remainder of Mux/Tasks

htc: declare and begin impl of HtclowManagerImpl interface

mux: optimize many accesses to O(log(n)) vs Nintendo's O(log(n)^2)

htc: implement HtclowDriver

htc: begin skeletoning types for HtcmiscImpl

htc: hook up creation of the htc manager service object