Protocol : update_ask_operation and Peer disconnection

[modship]

The update_ask_operation function in retrieval.rs of operation_handler poorly handles peer disconnections.

⚠️ Sometimes spamming Failed to send AskForOperations message to peer: {} when a peer is disconnected.

on_operations_announcements_received is called with a disconnected peerId

[damip]

https://github.com/massalabs/massa/pull/4249

[damip]

TODO: check if the max capacity of op_batch_buffer is reached