Call getSettingsAndNavigate less often

[myxmaster]

Description

Before, getSettingsAndNavigate() was called everytime Wallet.tsx gained focus. Since processing getSettingsAndNavigate() takes some time, this resulted in the app not being responsive for a short time. Example: When you closed the menu and then immediately clicked on a balance slider, it was not responding.

With this PR the flow is optimized, so getSettingsAndNavigate() is only called:

• via handleFocus():
  • On initial load (using existing initialLoad state)
  • When coming from Lockscreen (using new comingFromLockscreen flag)
  • When POS was enabled (using new posWasEnabled flag)
• via handleAppStateChange():
  • when app comes from background (no PIN/password configured)

Additionally fixed a bug, where autonavigation into POS didn't work in this edge case:

• Configure a PIN/password, enable Require login after app returns from background
• Enable POS and leave menu (autonavigate works)
• Disable POS and leave menu
• Put the app in background and reopen it, log in
• Enable POS and leave menu
  => no autonavigate is happening

Root cause was in Lockscreen.tsx, now it is only setting posStatus to 'inactive' when POS is actually enabled.

This pull request is categorized as a:

• New feature
• Bug fix
• Code refactor
• Configuration change
• Locales update
• Quality assurance
• Other

Checklist

• I’ve run yarn run tsc and made sure my code compiles correctly
• I’ve run yarn run lint and made sure my code didn’t contain any problematic patterns
• I’ve run yarn run prettier and made sure my code is formatted correctly
• I’ve run yarn run test and made sure all of the tests pass

Testing

If you modified or added a utility file, did you add new unit tests?

• No, I’m a fool
• Yes
• N/A

I have tested this PR on the following platforms (please specify OS version and phone model/VM):

• Android
• iOS

I have tested this PR with the following types of nodes (please specify node version and API version where appropriate):

• Embedded LND
• LND (REST)
• LND (Lightning Node Connect)
• Core Lightning (CLNRest)
• LndHub
• [DEPRECATED] Core Lightning (c-lightning-REST)
• [DEPRECATED] Core Lightning (Spark)
• [DEPRECATED] Eclair

Locales

• I’ve added new locale text that requires translations
• I’m aware that new translations should be made on the ZEUS Transfix page and not directly to this repo

Third Party Dependencies and Packages

• Contributors will need to run yarn after this PR is merged in
• 3rd party dependencies have been modified:
  • verify that package.json and yarn.lock have been properly updated
  • verify that dependencies are installed for both iOS and Android platforms

Other:

• Changes were made that require an update to the README
• Changes were made that require an update to onboarding