chore(web connector): clean up services

[mrcnk]

Describe changes

• Cleans up Web Connector
• Unblocks ZkAppCommand signing

Ticket or discussion link

Review checklist

• [ ] Proper documentation added
• [ ] Proper tests added

Screenshots

[deepsource-io[bot]]

Here's the code health analysis summary for commits bf49ce1..2d54392. View details on DeepSource ↗.

Analysis Summary

Analyzer	Status	Summary	Link
JavaScript	✅ Success	❗ 22 occurences introduced 🎯 30 occurences resolved	View Check ↗

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