MCP: [FIX] remove closed console file handles from select
MCP: [FIX] remove closed console file handles from select

Console file handles which are closed because of an error need to be removed
from select's readset, otherwise we will always try to read from them and
never consult the Scheduler again.

tapper/Tapper-MCP,csdb/Tapper-MCP,csdb/Tapper-MCP,tapper/Tapper-MCP