feat(dropdown): dropdown states

[Powerplex]

TYPE(SCOPE): TITLE

TASK: #1752

Description, Motivation and Context

Implementing states for dropdown trigger:

• error, alert and success states.
• a state indicator is displayed (icon) for colorblind people who can't see the outline color.
• Focus styles have been updated to match the Figma specs

Types of changes

• ✨ New feature (non-breaking change which adds functionality)
• 🧾 Documentation
• 💄 Styles

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (dc7ed15) 97.97% compared to head (21aacb8) 97.98%.
Report is 2 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #1753   +/-   ##
=======================================
  Coverage   97.97%   97.98%           
=======================================
  Files         692      693    +1     
  Lines        4887     4902   +15     
  Branches     1783     1785    +2     
=======================================
+ Hits         4788     4803   +15     
  Misses         99       99           

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