Correctly resolves/unresolves discussions

.../javascripts/diff_notes/components/resolve_all_btn.js.es6

...sets/javascripts/diff_notes/components/resolve_btn.js.es6

...ts/javascripts/diff_notes/components/resolve_count.js.es6

app/assets/javascripts/diff_notes/diff_notes_bundle.js.es6

app/assets/javascripts/diff_notes/mixins/namespace.js.es6

app/assets/javascripts/diff_notes/services/resolve.js.es6

app/assets/javascripts/diff_notes/stores/comments.js.es6

app/assets/javascripts/line_comments/services/resolve.js.es6

app/assets/javascripts/merge_request_tabs.js

app/assets/javascripts/notes.js

app/views/discussions/_resolve_all.html.haml

app/views/projects/merge_requests/_show.html.haml

app/views/projects/notes/_note.html.haml

config/application.rb