feat: slider: update to theme two, adds custom labels, and update value on click

[dkilgore-eightfold]

SUMMARY:

• Updates Slider to use theme 2 styles
• Adds rail/track click support to update values
• Adds support for custom labels
• Updates collision detection
• Fixes thumb position on edges so the center of the thumb reflects the value

sliderImprovements.mp4

JIRA TASK (Eightfold Employees Only):

ENG-23861

CHANGE TYPE:

• Bugfix Pull Request
• Feature Pull Request

TEST COVERAGE:

• Tests for this change already exist
• I have added/updated unittests for this change

TEST PLAN:

pull the pr branch and do yarn and yarn storybook. Verify the Slider story behaves as expected.

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[codecov-commenter]

Codecov Report

❗ No coverage uploaded for pull request base (main@3982c91). Click here to learn what that means.
Patch has no changes to coverable lines.

Additional details and impacted files

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