Collator overseer builder unification (#3335)

resolve https://github.com/paritytech/polkadot-sdk/issues/3116

a follow-up on
https://github.com/paritytech/polkadot-sdk/pull/3061#pullrequestreview-1847530265:

- [x] reuse collator overseer builder for polkadot-node and collator
- [x] run zombienet test (0001-parachains-smoke-test.toml)
- [x] make wasm build errors more user-friendly for an easier problem
detection when using different toolchains in Rust

---------

Co-authored-by: ordian <write@reusable.software>
Co-authored-by: s0me0ne-unkn0wn <48632512+s0me0ne-unkn0wn@users.noreply.github.com>

cumulus/client/relay-chain-minimal-node/src/network.rs

@@ -40,7 +40,11 @@ pub(crate) fn build_collator_network(
 	genesis_hash: Hash,
 	best_header: Header,
 ) -> Result<
-	(Arc<NetworkService<Block, Hash>>, NetworkStarter, Box<dyn sp_consensus::SyncOracle + Send>),
+	(
+		Arc<NetworkService<Block, Hash>>,
+		NetworkStarter,
+		Arc<dyn sp_consensus::SyncOracle + Send + Sync>,
+	),
 	Error,
 > {
 	let protocol_id = config.protocol_id();
@@ -112,7 +116,7 @@ pub(crate) fn build_collator_network(
 
 	let network_starter = NetworkStarter::new(network_start_tx);
 
-	Ok((network_service, network_starter, Box::new(SyncOracle {})))
+	Ok((network_service, network_starter, Arc::new(SyncOracle {})))
 }
 
 fn adjust_network_config_light_in_peers(config: &mut NetworkConfiguration) {