Moved ammo to its own pseudo property

Triggers now work on ammo
#amo now works as well

app/imports/api/properties/Items.js

@@ -55,6 +55,11 @@ const ItemSchema = createPropertySchema({
     type: Boolean,
     defaultValue: false,
   },
+  // Prevent the property from showing up in the log
+  silent: {
+    type: Boolean,
+    optional: true,
+  },
 });
 
 let ComputedOnlyItemSchema = createPropertySchema({