[GPS mileage expenses][Release 3] - Add a persistent notification on iOS

[GCyganek]

Part of the GPS mileage expenses project - Release 3

Main issue: #73261
Doc section: Design doc section - Add a persistent notification on iOS

[GCyganek]

Will be worked on after the first release

[trjExpensify]

As basically the final core issue, going to bump this to Daily at this point.

[GCyganek]

PR should be ready this week, depending on if there are any new bugs to fix for the first release