Store: show second merch image on hover

[SheepTester]

Info

Closes #233

It does a little animation when you hover on the item card and it reveals the second image

I wanted it to do an ACM diamond shape but apparently it's complicated because clip-path: path() doesnt support percentages

Changes

• [Fill in here]

Type of Change

• Bug Fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as
  expected)
• Logistics Change (A change to a README, description, or dev workflow setup like
  linting/formatting)
• Continuous Integration Change (Related to deployment steps or continuous integration
  workflows)
• Other: (Fill In)

Testing

I have tested that my changes fully resolve the linked issue ...

• locally on Desktop.
• on the live deployment preview on Desktop.
• on the live deployment preview on Mobile.
• I have added new Cypress tests that are passing.

Checklist

• I have performed a self-review of my own code.
• I have followed the style guidelines of this project.
• I have documented any new functions in /src/lib/* and commented hard to understand areas
  anywhere else.
• My changes produce no new warnings.

Screenshots

2024-04-25.11-56-55.mp4

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Name	Status	Preview	Comments	Updated (UTC)
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[alexzhang1618]

weird little bug where if you're admin and you view as member, the pencil appears on the hover photo

Screen.Recording.2024-05-04.at.1.39.23.PM.mov

[SheepTester]

fixed

[alexzhang1618]

lgtm 🤑