[Gradle, JS] Use karma 6.0 API to set ping timeout

^KT-45621 fixed

libraries/tools/kotlin-test-js-runner/karma-debug-framework.js

@@ -18,7 +18,7 @@ function configureTimeouts(injector) {
         webServer.timeout = 0
     }
     const socketServer = injector.get('socketServer');
-    if (socketServer) {
+    if (socketServer && typeof socketServer.set === 'function') {
         // Disable socket.io heartbeat (ping) to avoid browser disconnecting when debugging tests,
         // because no ping requests are sent when test execution is suspended on a breakpoint.
         // Default values are not enough for suspended execution:

libraries/tools/kotlin-test-js-runner/src/DebugConfigurator.js

@@ -97,4 +97,5 @@ export function fixMochaTimeout(config) {
 
 export function fixBrowserActivityTimeout(config) {
     config.browserNoActivityTimeout = null
+    config.pingTimeout = 24 * 60 * 60 * 1000
 }
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