replace ?? use by if else statements

sentryConfigUtil.js

@@ -1,3 +1,10 @@
-module.exports.isSentryEnabled = () =>
-    process.env.SENTRY_ENABLED ??
-    (process.env.NEXT_PUBLIC_SENTRY_ENV ?? 'development') !== 'development';
+module.exports.isSentryEnabled = () => {
+    if (process.env.SENTRY_ENABLED) {
+        return process.env.SENTRY_ENABLED === 'yes';
+    } else {
+        if (process.env.NEXT_PUBLIC_SENTRY_ENV) {
+            return process.env.NEXT_PUBLIC_SENTRY_ENV !== 'development';
+        }
+    }
+    return false;
+};