Post List: Crash due to nil post permalink

[sentry-io]

Sentry Issue: JETPACK-IOS-QW3

EXC_BREAKPOINT: Exception 6, Code 1, Subcode 4340587580
  File "PostListViewController.swift", in value
  File "PostListViewController.swift", line 667, in PostListViewController.viewStatsForPost
  File "PostListViewController.swift", line 686, in PostListViewController.stats
  File "<compiler-generated>", in thunk for closure
  File "<compiler-generated>", in thunk for closure
...
(31 additional frame(s) were not displayed)

Investigation

The stack trace indicates that this happens because the post's permaLink is nil:

WordPress-iOS/WordPress/Classes/ViewRelated/Post/PostListViewController.swift

Line 667 in 6f8b307

let postURL = URL(string: apost.permaLink! as String)

Impact

At the time of writing, this issue is a low impact that affects just 1 user.

[kean]

Fixed in #23155