* fix comment of default number of peers
* export default number of peers from base protocol sdk
* rename to light_push, move class to separate file
* move waitForRemotePeer to sdk package
* add todo to move waitForGossipSubPeerInMesh into @waku/relay
* clean up waitForRemotePeer, split metadata await from event and optimise, decouple from protocol implementations
* simplify and rename ILightPush interface
* use only connected peers in light push based on connections instead of peer renewal mechanism
* improve readability of result processing in light push
* fix check & update tests
* address tests, add new test cases, fix racing condition in StreamManager
* use libp2p.getPeers
