* Fixes#21173: Fix plugin menu registration order timing issue
- Converted static MENUS list to dynamic get_menus() function
- Ensures plugin menus are built at request time after all plugins complete ready()
- Fixes issue where only first few plugin menus appeared in navigation sidebar
- Updated navigation template tag to call get_menus() dynamically
* Fix ruff linting errors
- Add missing blank line before get_menus() function definition
- Remove trailing whitespace
* Add @cache decorator to get_menus() for performance optimization
Per reviewer feedback, the menu list is now cached since it doesn't change
without a Django restart. This eliminates redundant list building on each request.
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Co-authored-by: adionit7 <adionit7@users.noreply.github.com>
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