[#358] Added default state of collapsed.

[febdao]

Checklist before requesting a review

• I have formatted the subject to include the issue number
  as [#123] Verb in past tense with a period at the end.
• I have provided information in the Changed section about WHY something was
  done if this was a bespoke implementation.
• I have performed a self-review of my code.
• I have commented on my code, particularly in hard-to-understand areas.
• I have added tests that prove my fix is effective or that my feature works.
• I have run new and existing relevant tests locally with my changes,
  and they have passed.
• I have provided screenshots, where applicable.

Changed

1. Added default state of collapsed.

Screenshots

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 1 line in your changes missing coverage. Please review.

Project coverage is 13.86%. Comparing base (93fc1c6) to head (e8c2d68).
Report is 4 commits behind head on main.

Files with missing lines	Patch %	Lines
components/00-base/collapsible/collapsible.js	0.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #415      +/-   ##
==========================================
- Coverage   13.87%   13.86%   -0.02%     
==========================================
  Files          27       27              
  Lines        1290     1291       +1     
  Branches      307      307              
==========================================
  Hits          179      179              
- Misses        894      895       +1     
  Partials      217      217              

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[github-actions]

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