chore: FIT-343: Remove feature flag fflag_feat_front_lsdv_e_278_contextual_scrolling_short

[bmartel]

This is built off the previous #7917 as there is conflicting change.

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 67.13%. Comparing base (6c3388a) to head (5836bec).

✅ All tests successful. No failed tests found.

Additional details and impacted files

@@             Coverage Diff             @@
##           develop    #7920      +/-   ##
===========================================
- Coverage    69.08%   67.13%   -1.96%     
===========================================
  Files          674      674              
  Lines        48965    48946      -19     
  Branches      8403     8385      -18     
===========================================
- Hits         33828    32859     -969     
- Misses       15137    16087     +950     

Flag	Coverage Δ
pytests	78.59% <ø> (ø)

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[bmartel]

/git merge

Workflow run
Successfully merged: 2 files changed, 1338 insertions(+), 738 deletions(-)

[bmartel]

/git merge

Workflow run
Successfully merged: 57 files changed, 3484 insertions(+), 162 deletions(-)