transportMode from ws to sockjs for better lens-proxy support

Signed-off-by: Hung-Han (Henry) Chen <1474479+chenhunghan@users.noreply.github.com>

webpack.renderer.ts

@@ -29,6 +29,7 @@ export function webpackLensRenderer({ showVars = true } = {}): webpack.Configura
       host: "localhost",
       firewall: false,
       headers: { "Access-Control-Allow-Origin": "*" },
+      transportMode: "sockjs"
     },
     name: "lens-app",
     mode: isProduction ? "production" : "development",