Start candidate finding later (#113377)

And filter out the renderer.
Fixes #4185, #4110

src/vs/workbench/api/common/extHost.protocol.ts

@@ -1768,6 +1768,7 @@ export interface ExtHostTunnelServiceShape {
 	$forwardPort(tunnelOptions: TunnelOptions, tunnelCreationOptions: TunnelCreationOptions): Promise<TunnelDto> | undefined;
 	$closeTunnel(remote: { host: string, port: number }, silent?: boolean): Promise<void>;
 	$onDidTunnelsChange(): Promise<void>;
+	$registerCandidateFinder(): Promise<void>;
 }
 
 export interface ExtHostTimelineShape {