feat:[IOCOM-2205] PN engagement banner logic

[forrest57]

Short description

addition of logic and required tests for PN's engagement banner flow

List of changes proposed in this pull request

• updated definitions
• added navigation to new flow, with navigator entry
• addition of the screen itself, which handles the whole flow
• required selector
• required tests

How to test

using the dev-server (specifically this branch ):

• set a delay on the dev-server (1500 was used during development)
• disable SEND from the services tab
• enable the banner in its visibility map
• interact with the banner and make sure the flow is " loading data -> awaiting input (CTA shown) -> loading activation (on cta tap) -> success"
• on future interactions, the flow should be "loading data -> already active"
• disable SEND again and make sure everything is as expected
• while already covered by automated tests, make sure the error pages work as intended.

[github-actions]

PR Title Validation for conventional commit type

✅ All good! PR title follows the conventional commit type.

[github-actions]

Jira Pull Request Link

This Pull Request refers to Jira issues:

• IOCOM-2205

[codecov]

Codecov Report

Attention: Patch coverage is 29.31034% with 41 lines in your changes missing coverage. Please review.

Project coverage is 36.81%. Comparing base (f591e0a) to head (995f127).

Files with missing lines	Patch %	Lines
ts/features/pn/screens/PnReminderBannerFlow.tsx	18.00%	41 Missing ⚠️

❗ There is a different number of reports uploaded between BASE (f591e0a) and HEAD (995f127). Click for more details.

HEAD has 2 uploads less than BASE

Flag	BASE (f591e0a)	HEAD (995f127)
	7	5

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #6788      +/-   ##
==========================================
- Coverage   46.40%   36.81%   -9.60%     
==========================================
  Files        1453     1551      +98     
  Lines       30546    32230    +1684     
  Branches     6913     7268     +355     
==========================================
- Hits        14176    11865    -2311     
- Misses      16320    20311    +3991     
- Partials       50       54       +4     

Files with missing lines	Coverage Δ
...tures/pn/components/PNActivationReminderBanner.tsx	100.00% <100.00%> (+50.00%)	⬆️
ts/features/pn/navigation/navigator.tsx	66.66% <ø> (ø)
ts/features/pn/navigation/routes.ts	100.00% <ø> (ø)
ts/store/reducers/backendStatus/remoteConfig.ts	61.06% <100.00%> (+12.63%)	⬆️
ts/features/pn/screens/PnReminderBannerFlow.tsx	18.00% <18.00%> (ø)

... and 651 files with indirect coverage changes

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