fix: add padding for galleries and draft cards in my galleries page

[patricio0312rev]

[my galleries] content width borked on mobile

Summary

• Paddings have been fixed for galleries and draft cards in mobile view. It now matches the design.

Steps to reproduce

1. Run the app in local or testing_e2e mode.
2. Make sure your wallet is connected.
3. Create at least 1 gallery and 1 draft.
4. Go to /my-galleries page and see the magic ✨

Checklist

• I checked my UI changes against the design and there are no notable differences
• I checked my UI changes for any responsiveness issues
• I checked my (code) changes for obvious issues, debug statements and commented code
• I opened a corresponding card on Clickup for any remaining TODOs in my code
• I added a short description on how to test this PR (if necessary)
• I added a storybook entry for the component that was added (if necessary)
• Documentation (if necessary)
• Tests (if necessary)
• Ready to be merged

[samharperpittam]

@patricio0312rev - seems there's still an issue with placeholders.