Fixes for ReactComponent initialization

[philippjfr]

• Ensures visible is applied when use_shadow_dom=False
• Do not sync bokeh property value until component is fully initialized

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 86.22%. Comparing base (1355964) to head (cfa3002).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #8552      +/-   ##
==========================================
- Coverage   86.24%   86.22%   -0.03%     
==========================================
  Files         349      349              
  Lines       55388    55388              
==========================================
- Hits        47772    47758      -14     
- Misses       7616     7630      +14     

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[github-actions]

This pull request has been automatically locked since there has not been any recent activity after it was closed. Please open a new issue for related bugs.