Add back connection type query param (microsoft#14)

Fixes coder/code-server#4482.

Author: code-asher

src/vs/platform/remote/common/remoteAgentConnection.ts

@@ -231,7 +231,9 @@ async function connectToRemoteExtensionHostAgent(options: ISimpleConnectionOptio
 
 	let socket: ISocket;
 	try {
-		socket = await createSocket(options.logService, options.socketFactory, options.host, options.port, `reconnectionToken=${options.reconnectionToken}&reconnection=${options.reconnectionProtocol ? 'true' : 'false'}`, `renderer-${connectionTypeToString(connectionType)}-${options.reconnectionToken}`, timeoutCancellationToken);
+		// NOTE@coder: Add connection type to the socket. This is so they can be
+		// distinguished by the backend.
+		socket = await createSocket(options.logService, options.socketFactory, options.host, options.port, `type=${connectionTypeToString(connectionType)}&reconnectionToken=${options.reconnectionToken}&reconnection=${options.reconnectionProtocol ? 'true' : 'false'}`, `renderer-${connectionTypeToString(connectionType)}-${options.reconnectionToken}`, timeoutCancellationToken);
 	} catch (error) {
 		options.logService.error(`${logPrefix} socketFactory.connect() failed or timed out. Error:`);
 		options.logService.error(error);