Fix "Use same image" not preserving the image selection

lib/browser/app.js

@@ -97,7 +97,15 @@ app.controller('AppController', function(
   // the settings screen when a burn finished
   // and goes back to the main screen with the back button.
   if (!this.writer.isBurning()) {
-    this.selection.clear();
+
+    this.selection.clear({
+
+      // Preserve image, in case there is one, otherwise
+      // we revert the behaviour of "Use same image".
+      preserveImage: true
+
+    });
+
     this.writer.resetState();
   }