Tidied up the Magic operation

src/core/operations/Unzip.mjs

@@ -40,17 +40,13 @@ class Unzip extends Operation {
                 value: false
             }
         ];
-        this.checks = {
-            input: {
-                regex: [
-                    {
-                        match: "^\\x50\\x4b(?:\\x03|\\x05|\\x07)(?:\\x04|\\x06|\\x08)",
-                        flags: "",
-                        args: ["", false]
-                    }
-                ]
+        this.checks = [
+            {
+                pattern: "^\\x50\\x4b(?:\\x03|\\x05|\\x07)(?:\\x04|\\x06|\\x08)",
+                flags: "",
+                args: ["", false]
             }
-        };
+        ];
     }
 
     /**