Expand macro not working in sidebar (Documentation theme)

Summary

Expand macro is not working in sidebar of Confluence 4.3.2. It is affecting CAC as well. Customers uses this macro quite frequently.

Example

1. Open this page: https://confluence.atlassian.com/display/DOC/Expand+Macro
2. Scroll to the bottom left of the page (in sidebar / page tree of Documentation theme)
3. "Choose a version" expand macro has no response

Testing

• Tested on Confluence 4.2.2 and it's working fine.
• Tested on Confluence 4.3.1 and it's working fine.
• Tested on Confluence 4.3.2 and it is not working.