text: Title: Action buttons are easy to miss in list views for high contrast mode users
  Body: ### Issue Summary
  
  Reported by partially sighted users and then confirmed:
  
  > The “…” buttons were completely missed by some users who were not aware that these page controls were available in the list view
  > […]
  > Three dot menus were also not always visible under high contrast.
  
  Here is how those buttons currently appear in a forced-colors "dark" theme:
  
  ![forced colors dark list view with three-dot action buttons in rows](https://github.com/user-attachments/assets/82d8737d-0c08-4dc8-8351-fa39009ae49d)
  
  ### Proposed solution
  
  A simple improvement would be to add a border around those buttons in forced colors mode, similarly to how we adapt the "Add" button. It seems like this could be done for all `w-dropdown__toggle`.
  
  ### Steps to Reproduce
  
  1. Enable forced-colors mode
  2. Go to a view with a listing of items such as the dashboard panels or Pages section
  
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