Improved logic for firing disabled credential provider pixel

[amddg44]

Task/Issue URL: https://app.asana.com/0/0/1209116194072431/f
Tech Design URL:
CC:

Description:
Fixes a bug where the number of disabled events for the credential provider extension were incorrectly reported

Steps to test this PR:

1. Testing on device, enable the extension if not already enabled.
2. Install the app from this branch
3. Disable the credential provider extension via System Settings
4. Stop the app and relaunch. Check that the pixel autofill_extension_disabled is fired
5. Keeping the extension disabled, stop and relaunch the app again. Confirm that autofill_extension_disabled is not fired again

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

—

Internal references:

Software Engineering Expectations
Technical Design Template

[amddg44]

The bug here was that the disabled pixel is fired on every app launch once autofillExtensionEnabled has been set to false (instead of just the first time autofillExtensionEnabled is update from true to false)

[gourab99-tech]

This change makes no sense