Scan: Mobile all validator

[evilpeach]

Fixed: #2264

Implementation details

• Implemented validator home page in mobile layout

Note that

• About the sorting selection, this PR is too big. Let's create another PR for it.

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[render]

Your Render PR Server URL is https://d3n-scan-pr-2316.onrender.com.

Follow its progress at https://dashboard.render.com/static/srv-bsf573g951cet71o0i90.

[pzshine]

The input background needs to be transparent or grey, It's better if we can adjust the focus state to have the proper color.