Revert "temp: reverse stack order of discussions and upsell in sidebar"

[ayesha-waris]

Reverts reverse stack order of discussions and upsell in sidebar #1705

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 90.41%. Comparing base (b6c29df) to head (a340f26).
Report is 13 commits behind head on master.

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #1712   +/-   ##
=======================================
  Coverage   90.41%   90.41%           
=======================================
  Files         343      343           
  Lines        5779     5779           
  Branches     1387     1346   -41     
=======================================
  Hits         5225     5225           
- Misses        535      537    +2     
+ Partials       19       17    -2     

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