[feature] Allow showing moving device in geo map #443

[dee077]

Adds the ability to animate a node's position on the map by dynamically updating its coordinates. by adding a utility function which uses echarts.setOptions to update the node location

Fixes #443

Checklist

• [x] I have read the OpenWISP Contributing Guidelines.
• [x] I have manually tested the changes proposed in this pull request.
• [ ] I have written new test cases for new code and/or updated existing tests for changes to existing code.
• [ ] I have updated the documentation.

Reference to Existing Issue

Closes #443.

Screen recording

Screencast from 2025-09-19 22-13-00.webm