[jsscripting] Fix setTimeout/setInterval fails if delay is not provided or null (#19642)

This is fixed by now handling such values in the JS polyfills, making sure a valid number is always passed to the Java layer.

Signed-off-by: Florian Hotze <dev@florianhotze.com>

bundles/org.openhab.automation.jsscripting/src/main/resources/node_modules/@jsscripting-globals.js

@@ -181,11 +181,15 @@
   globalThis.console = console;
   globalThis.setTimeout = function (functionRef, delay, ...args) {
     ThreadsafeTimers.setIdentifier(console.loggerName);
+    if (delay === undefined) delay = 0;
+    if (delay === null) delay = 0;
     return ThreadsafeTimers.setTimeout(() => functionRef(...args), delay);
   };
   globalThis.clearTimeout = ThreadsafeTimers.clearTimeout;
   globalThis.setInterval = function (functionRef, delay, ...args) {
     ThreadsafeTimers.setIdentifier(console.loggerName);
+    if (delay === undefined) delay = 0;
+    if (delay === null) delay = 0;
     return ThreadsafeTimers.setInterval(() => functionRef(...args), delay);
   };
   globalThis.clearInterval = ThreadsafeTimers.clearInterval;