test: Fix messaging flaky e2e test

[dougfabris]

Proposed changes (including videos or screenshots)

Fixes the test: should focus the latest message when moving the focus on the list and theres no previous focus

Issue(s)

Steps to test or reproduce

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Latest commit: 40e7751

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 54.42%. Comparing base (4b6951b) to head (40e7751).

Additional details and impacted files

@@             Coverage Diff             @@
##           develop   #32429      +/-   ##
===========================================
- Coverage    55.63%   54.42%   -1.21%     
===========================================
  Files         2408     2328      -80     
  Lines        52965    51777    -1188     
  Branches     10884    10657     -227     
===========================================
- Hits         29469    28182    -1287     
- Misses       20888    21078     +190     
+ Partials      2608     2517      -91     

Flag	Coverage Δ
e2e	52.77% <ø> (-2.29%)	⬇️
unit	73.25% <ø> (ø)

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