Add access to developer menus & logs in release & beta channels

[kylehickinson]

Description:

Right now the debug/developer menu in settings is only visible in Nightly channel builds, however now that we are part of the brave-core train there aren't builds that exist in Nightly that may exist in other channels so we need a way to enable logs & other debug related menu options in other channels (possibly behind some sort of password)

AppConstants.buildChannel.isPublic should be removed and code should be replaced so that builds only differ by the OFFICIAL_BUILD conditional compilation flag

[kjozwiak]

@Uni-verse @hffvld as discussed via https://bravesoftware.slack.com/archives/GAA4017R7/p1711650759653529?thread_ts=1711598803.433469&cid=GAA4017R7, we'll need to verify #37136 as well via this issue to make sure we're getting logs for Leo.

[kjozwiak]

The above requires 1.64.116 or higher for 1.64.x verification 👍

[Uni-verse]

Verified on iPhone X running iOS 16.7 using version 1.64 (123)

• Ensured developer menu prompt is shown when tapping the version header in settings.
• Ensured that developer/debug menus are displayed when authentication is completed.
• Ensured that there is no issues accessing logs in debug menu.
• Ensured that logs are generated when enabling vmodule in BraveCore Switches.
• Ensured Leo logs are being populated as a required check mentioned in Add Logs to iOS Leo Purchases #37136

Debug menu

Example	Example	Example	Example	Example

Console.app logs (Using Subsystem: com.ios.brave.software)

[Uni-verse]

Verified on iPad (7th Gen) running iOS 17.3.1 using version 1.64 (123)

• Ensured developer menu prompt is shown when tapping the version header in settings.
• Ensured that developer/debug menus are displayed when authentication is completed.
• Ensured that there is no issues accessing logs in debug menu.
• Ensured that logs are generated when enabling vmodule in BraveCore Switches.

Debug menu

Example	Example	Example	Example	Example

Console.app logs (Using Subsystem: com.ios.brave.software)