Alessandro/onboarding copy and private search options

[alessandroboron]

Task/Issue URL: https://app.asana.com/0/72649045549333/1208241563982253

Description:

1. Remove anonymous searches Option 3 for Highlights experiment.
2. Update anonymous search Surprise Me to search for “baby ducklings” for both US and International.
3. Update copy throughout the App for Highlights experiment.

Steps to test this PR:

Prerequisites:

• Add return VariantIOS(name: "mb", weight: 1, isIncluded: VariantIOS.When.always, features: [.newOnboardingIntro]) in DefaultVariantManager.swift at line 153.

SCENARIO 1 - Anonymous Search Option 3 - Experiment group

1. Change var isOnboardingHighlightsEnabled: Bool { true } in OnboardingManager line 44.
2. Delete App.
3. Launch App.
4. Pass the Onboarding Intro.
5. Wait fro Try a search dialog to appear.
   Expected Result: “local weather” should not be an option.

SCENARIO 2 - Anonymous Search Option 3 - Control group

1. Ensure that isOnboardingHighlightsEnabled returns false in OnboardingManager line 44.
2. Delete App.
3. Launch App.
4. Pass the Onboarding Intro.
5. Wait fro Try a search dialog to appear.
   Expected Result: “local weather” should be an option and in position 3.

SCENARIO 3 - Anonymous Search Surprise Me - Experiment Group

1. Change var isOnboardingHighlightsEnabled: Bool { true } in OnboardingManager line 44.
2. Delete App.
3. Launch App.
4. Pass the Onboarding Intro.
5. Wait fro Try a search dialog to appear.
6. Tap on “Surprise Me"
   Expected Result: The browser should perform a search for "baby ducklings”

SCENARIO 3 - Anonymous Search Surprise Me - Control Group

1. Ensure isOnboardingHighlightsEnabled returns false in OnboardingManager line 44.
2. Delete App.
3. Launch App.
4. Pass the Onboarding Intro.
5. Wait fro Try a search dialog to appear.
6. Tap on “Surprise Me"
   Expected Result: The browser should perform a search for "dinner recipes” for non US countries, "chocolate chip cookie recipes” for US.

SCENARIO 4 - Copy Update

1. Smoke test the App and check the copy look like the design.

Definition of Done (Internal Only):

• Does this PR satisfy our Definition of Done?

Copy Testing:

• Use of correct apostrophes in new copy, ie ’ rather than '

Orientation Testing:

• Portrait
• Landscape

Device Testing:

• iPhone SE (1st Gen)
• iPhone 8
• iPhone X
• iPhone 14 Pro
• iPad

OS Testing:

• iOS 15
• iOS 16
• iOS 17

Theme Testing:

• Light theme
• Dark theme

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Internal references:

Software Engineering Expectations
Technical Design Template

[SabrinaTardio]

LGTM