ui: improve DAG visualization

[yohamta]

• UI: Upgraded mermaid library
• UI: Added animation icon
• UI: Fixed top-down view width issue

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 58.11%. Comparing base (ff64bef) to head (6124ecc).
Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #751   +/-   ##
=======================================
  Coverage   58.11%   58.11%           
=======================================
  Files          68       68           
  Lines        6640     6640           
=======================================
  Hits         3859     3859           
  Misses       2474     2474           
  Partials      307      307           

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