Reworked ios app lifecycle events to be more accurate.

[bsneed]

• Properly track what state we're in.
• Remove actions on didBecomeActive.
• Expanded test suite.
• Fixes application_foregrounded triggers for non-foregrounding events #387

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 71.05%. Comparing base (20251c7) to head (7f300e0).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #409   +/-   ##
=======================================
  Coverage   71.05%   71.05%           
=======================================
  Files          49       49           
  Lines        4930     4930           
=======================================
  Hits         3503     3503           
  Misses       1427     1427           

see 2 files with indirect coverage changes

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.