Fixed removed null-coalescing for payment comment (#1609)
Fixed removed null-coalescing for payment comment (#1609)


joinrpg/joinrpg-net,leotsarev/joinrpg-net,leotsarev/joinrpg-net,joinrpg/joinrpg-net,joinrpg/joinrpg-net,leotsarev/joinrpg-net,leotsarev/joinrpg-net,joinrpg/joinrpg-net