fix(neon_framework,tool): Add missing server icons

[provokateurin]

The script didn't find icons in sub-directories of app imgs and also omitted the top-level core imgs.

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 28.47%. Comparing base (520557a) to head (bd80dc2). Report is 5 commits behind head on main.

Additional details and impacted files

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