Let's migrate all the icons showing on the contextual menu, both for NTP and websites, to Nala icons. All sizes should be normalized too to use the same size that the general settings page has

Main contextual menu

Figma:
https://www.figma.com/design/H11ZOl6JMYbCTW4ZJXqR5V/%F0%9F%A6%81-Browser?node-id=2936-30763&t=dq31szZ8Xr9qNUTy-1

Additionally to this file, there's also the full list of possible items if this is more useful for mapping icons from the "Customize menu" setting:

https://www.figma.com/design/H11ZOl6JMYbCTW4ZJXqR5V/%F0%9F%A6%81-Browser?node-id=12797-22161&t=gkZ6lH7t9OilaK2q-1

Actual result

Expected result

Tab switcher contextual menu

Figma:
https://www.figma.com/design/H11ZOl6JMYbCTW4ZJXqR5V/%F0%9F%A6%81-Browser?node-id=12886-25881&t=dq31szZ8Xr9qNUTy-1

Actual result

Expected result