[Fix] Node-RED example for browse node

[dtq-one]

Background

In order to help with learning of adoption of Node-RED Contrib IIoT OPC-UA we need to ensure examples are available for nodes and examples work reliably.

Tasks

• [ ] Ensure examples are available
  • [ ] regular browser
  • [ ] browse to crawl
  • [ ] browse to read
  • [ ] browse to listener
  • [ ] browse to listener group
• [ ] Ensure examples are working
  • [ ] regular browser
  • [ ] browse to crawl
  • [ ] browse to read
  • [ ] browse to listener
  • [ ] browse to listener group
• [ ] Ensure Wiki entry is available (including screenshots?)
  • [ ] Explain how to get started with Browse Node and link to/explain example
  • [ ] additional training material, e.g. videos/youtube, etc.

[github-actions[bot]]

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