regression: Sidebar should collapse in tablet view under feature preview only

[dougfabris]

Proposed changes (including videos or screenshots)

Introduced here: #35807

Issue(s)

Steps to test or reproduce

Further comments

SIDE2-66

[changeset-bot]

⚠️ No Changeset found

Latest commit: 2c4413f

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[dionisio-bot]

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[github-actions]

PR Preview Action v1.6.1
🚀 View preview at https://RocketChat.github.io/Rocket.Chat/pr-preview/pr-35872/
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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 61.16%. Comparing base (a083701) to head (2c4413f).
Report is 11 commits behind head on release-7.6.0.

Additional details and impacted files

@@              Coverage Diff               @@
##           release-7.6.0   #35872   +/-   ##
==============================================
  Coverage          61.16%   61.16%           
==============================================
  Files               3003     3003           
  Lines              71350    71351    +1     
  Branches           16333    16333           
==============================================
+ Hits               43638    43642    +4     
+ Misses             24746    24740    -6     
- Partials            2966     2969    +3     

Flag	Coverage Δ
e2e	57.88% <100.00%> (+<0.01%)	⬆️
unit	74.99% <ø> (ø)

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