Made all place of Cubits and buybitcoinworldwide.com button clickable
Made all place of Cubits and buybitcoinworldwide.com button clickable

Auditors: @bsclifton

Fixes #6050

Test Plan:
1. Disable "worldWidePanel"
2. Open about:preferences#payments
3. Click the top left corner of "Cubits" button
4. Enable "worldWidePanel"
5. Open about:preferences#payments
6. Click the top left corner of "buybitcoinworldwide.com" button

pmkary/braver,luixxiul/browser-laptop,jonathansampson/browser-laptop,timborden/browser-laptop,jonathansampson/browser-laptop,darkdh/browser-laptop,pmkary/braver,darkdh/browser-laptop,darkdh/browser-laptop,jonathansampson/browser-laptop,timborden/browser-laptop,pmkary/braver,timborden/browser-laptop,pmkary/braver,timborden/browser-laptop,jonathansampson/browser-laptop,diasdavid/browser-laptop,diasdavid/browser-laptop,diasdavid/browser-laptop,luixxiul/browser-laptop,luixxiul/browser-laptop,diasdavid/browser-laptop,darkdh/browser-laptop,luixxiul/browser-laptop