fix: pill: fixes pill button hover and active styles to inherit from pill

[dkilgore-eightfold]

SUMMARY:

Fixes small regression caused by vartheme change
Pixel pushes image list view icon in Upload component so that it's centered.

JIRA TASK (Eightfold Employees Only):

N/A

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[codecov-commenter]

Codecov Report

❗ No coverage uploaded for pull request base (main@05e5501). Click here to learn what that means.
Patch has no changes to coverable lines.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #457   +/-   ##
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  Coverage        ?   84.59%           
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  Files           ?      749           
  Lines           ?    16388           
  Branches        ?     5768           
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  Hits            ?    13863           
  Misses          ?     2450           
  Partials        ?       75           

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