fix: mind map preview rendering

[doouding]

Fixes BS-3080

[doouding]

• fix: mind map preview rendering #11565 👈 (View in Graphite)
• canary

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 54.32%. Comparing base (74ebec0) to head (4e1fcca).
Report is 1 commits behind head on canary.

Additional details and impacted files

@@            Coverage Diff             @@
##           canary   #11565      +/-   ##
==========================================
+ Coverage   54.07%   54.32%   +0.25%     
==========================================
  Files        2597     2597              
  Lines      116598   116598              
  Branches    18978    19038      +60     
==========================================
+ Hits        63046    63347     +301     
- Misses      51587    51917     +330     
+ Partials     1965     1334     -631     

Flag	Coverage Δ
server-test	79.81% <ø> (+0.68%)	⬆️
unittest	29.68% <ø> (ø)

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[graphite-app]

Merge activity

• Apr 9, 5:14 AM EDT: doouding added this pull request to the Graphite merge queue.
• Apr 9, 9:55 AM UTC: The Graphite merge queue couldn't merge this PR because it was not satisfying all requirements (Failed CI: '3, 2, 1 Launch', 'Frontend Copilot E2E Test (3, 3)').
• Apr 10, 8:15 AM EDT: Graphite disabled "merge when ready" on this PR due to: a merge conflict with the target branch; resolve the conflict and try again..
• Apr 11, 2:51 AM EDT: doouding added this pull request to the Graphite merge queue.
• Apr 11, 7:24 AM UTC: The Graphite merge queue couldn't merge this PR because it was not satisfying all requirements (Failed CI: '3, 2, 1 Launch', 'Frontend Copilot E2E Test (3, 8)', 'Frontend Copilot E2E Test (7, 8)', 'Frontend Copilot E2E Test (8, 8)').
• Apr 11, 4:02 AM EDT: doouding added this pull request to the Graphite merge queue.
• Apr 11, 4:02 AM EDT: Merged by the Graphite merge queue.