Fix translations for activity logs

[Boy132]

Closes #897

Needs pelican-dev/wings#59 in order for sftp file events to work.

[RMartinOscar]

Try deleting a file using the recyclebin on the right, it works for bulkaction but not the single one

Try renaming a file within a dir

Man idk what's wrong with my gh it keeps Approving & clear my comment when i request changes

Running on wings canary with Quinten

    metadata := make(map[string]interface{})

    // Check if the target is empty
    if fa.Target == "" {
        // Only include the "files" key when no target is provided
        metadata["files"] = []string{fa.Entity}
    } else {
        // Include "from" and "to" fields when a target exists
        metadata["from"] = fa.Entity
        metadata["to"] = fa.Target
    }