* [server-ce] add warning on not using sandboxed compiles

Co-authored-by: Mathew Evans <matt.evans@overleaf.com>

* [server-ce] update logo

Co-authored-by: Jamie Liu <jamie.liu@overleaf.com>

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Co-authored-by: Mathew Evans <matt.evans@overleaf.com>
Co-authored-by: Jamie Liu <jamie.liu@overleaf.com>
GitOrigin-RevId: 9fafa951af9918924eae5493dbe8f9aa3dfc87b2