[NTP Search]: Enable NTP search by default in Nightly

[Jay Harris]

Description

Flip the switch brave://flags/#brave-ntp-search-widget and enable by default in Nightly channel.

Blocking issues

Tasks

Beta Give feedback

1. Fix top padding of search box
2. Can't search when suggestions are disabled
3. Searchbox text should be white
4. Separate from Brave News (searchbox should show even when News is disabled)
5. Ask Leo should be Answer with AI this is the same string used in the omnibox
6. Icon for Answer with AI results
7. [NTP Search]: Translations #38305
   OS/Desktop QA/Yes release-notes/exclude +3
   

Related Issues

Figma link: https://www.figma.com/design/lVTufBkl5eNrtOQjlAHxjb/Search-box-in-NTP?node-id=220-17509&t=r4vAQxbMdJ6n8sKZ-0

Main issue: #35535

[Jay Harris]

#38303 fixes the UX bugs

[Jay Harris]

Okay @rebron there are a couple of PRs and I think we can flip the flag

[Agustín Ruiz]

Some notes on visual polish

Initial state

• There's a weird second glass effect above the search input
• Icons (carat-down and search icon) should have a glass/50 color
• Removed the outline on the dropup for engine selection, and added a divider. Cleans up the view a bit
• Placeholder text should be glass/70 and use font/large/regular
• The whole search input doesn't use a regular divider, uses a custom one called strokegradient/dark
• The dropdown to change engines doesn't open in the closed state. When I click on it, it opens the full thing instead of the dropdown

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Autosuggestions

• Search term is black, should be glass/100
• Search icons on the left shouldn't have a square background, and the color is glass/50
• If we can divide the "Ask Leo" item like on the design, that'd be ideal
• General stroke is the same as initial state, strokegradient/dark
• Need to add a close button when the input text is entered to clear the box
• Link previews beneath results is glass/70