[REPRODUCTION] Updating single qp resets others
[REPRODUCTION] Updating single qp resets others

Refs: Based off reproduction in #14438

knownasilya/ember.js,elwayman02/ember.js,sandstrom/ember.js,stefanpenner/ember.js,emberjs/ember.js,emberjs/ember.js,emberjs/ember.js,stefanpenner/ember.js,mixonic/ember.js,stefanpenner/ember.js,knownasilya/ember.js,elwayman02/ember.js,sly7-7/ember.js,tildeio/ember.js,tildeio/ember.js,mixonic/ember.js,sly7-7/ember.js,knownasilya/ember.js,sandstrom/ember.js,sandstrom/ember.js,elwayman02/ember.js,mixonic/ember.js,sly7-7/ember.js,elwayman02/ember.js,tildeio/ember.js