Add system modification tracking for reversible installs

src/core/duplicates.rs

@@ -438,6 +438,15 @@ mod tests {
             desktop_actions: None,
             has_signature: false,
             screenshot_urls: None,
+            previous_version_path: None,
+            source_url: None,
+            autostart: false,
+            startup_wm_class: None,
+            verification_status: None,
+            first_run_prompted: false,
+            system_wide: false,
+            is_portable: false,
+            mount_point: None,
         };
 
         assert_eq!(