Fix FXIOS-8779 - Login autofill not working on certain websites (backport #19490)

[mergify]

📜 Tickets

Jira ticket
Github issue

💡 Description

This PR:

• Improves login autofill for react based apps.
• Listens for focusin event on capture since the page might cancel it.
• Fixes The Use saved password button is not displayed under certain steps #19276
• Fixes [Password Autofill] The autofill can be done only on one field at a time on Netflix.com even when having a username and password on the same webpage #19448
• Fixes [Password Autofill] The autofill is not done on some websites  #19450

📝 Checklist

You have to check all boxes before merging

• Filled in the above information (tickets numbers and description of your work)
• Updated the PR name to follow our PR naming guidelines
• Wrote unit tests and/or ensured the tests suite is passing
• When working on UI, I checked and implemented accessibility (minimum Dynamic Text and VoiceOver)
• If needed, I updated documentation / comments for complex code and public methods
• If needed, added a backport comment (example @Mergifyio backport release/v120)

---

This is an automatic backport of pull request #19490 done by [Mergify](https://mergify.com).

[mobiletest-ci-bot]

	Messages
📖	Project coverage: 33.67%
📖	Edited 4 files
📖	Created 0 files

Client.app: Coverage: 32.44

File	Coverage
SelfSizingHostingController.swift	62.5%	✅
CredentialAutofillCoordinator.swift	77.38%	✅
LoginsHelper.swift	0.0%	⚠️

Generated by 🚫 Danger Swift against ce98937