[Bug]: Change how Cypress detects visible elements, and re-enable the vue devtools island in Cypress

[seriouslysean]

Bug Summary

Change how Cypress detects visible elements, and re-enable the vue devtools island in Cypress

Detailed Description

https://github.com/cuttle-cards/cuttle/pull/1276/files#diff-4f04ce5e57c1cf8ba14dae77c05805408b88f5ea2d913282719f067f8e028d16R27-R32

We need to remove this code, and ensure tests pass.

Current Behavior

No response

Expected Behavior

No response

Steps to Reproduce