[MOB-605] improve logic to show async payment final dialog

[carvalho2707]

What does this PR do?

 This PR changes the way we show the async payment dialog. It is now presented when transaction status is completed to prevent the users for paying before leaving the webview

Database changed?

No

Where should the reviewer start?

• [ ] LocalPaymentFragment.kt
• [ ] LocalPaymentPresenter.kt

How should this be manually tested?

Flow on how to test this or QA Tickets related to this use-case: MOB-605

What are the relevant tickets?

Tickets related to this pull-request: MOB-605

Questions:

Does this add new dependencies which need to be added? (Eg. new libs, new keys, etc.)

Code Review Checklist

• [ ] Architecture
• [ ] Documentation on public interfaces
• [ ] Database changed?
• [ ] If yes - Database migration?
• [ ] Remove comments & unused code & forgotten testing Logs
• [ ] Codestyle
• [ ] Functional QA tests pass