Will show the last 6 seen users as filtering suggestions when typing @ in quick search. (Previously the user suggestion required a character after the @.)
This also adds a default limit of 6 to the user search query, previously the backend was returning 20 results but a maximum of 6 results was being shown anyway.
Replaces the autocomplete overlay for categories and usernames on the search input and adds suggestions as items in the search results instead. Also adds the same behaviour for @mentions as well as special `in: status: order:` keywords. See PR for more details.
Using arrow functions changes `this` context, which is undesired in tests, e.g. it makes it impossible to setup things like pretender (`this.server`) in `beforeEach` hooks.
Ember guides always use classic functions in examples (e.g. https://guides.emberjs.com/release/testing/test-types/), and that's what it uses in its own test suite, as do various addons and ember apps.
It was also already used in Discourse where `this` was required. Moving forward, it will be needed in more places as we migrate toward ember-cli.
(I might later add a custom rule to eslint-discourse-ember to enforce this)
In newer Embers jQuery is removed. There is a `find` but it only returns
one element and not a jQuery selector. This patch migrates our code to a
new helper `queryAll` which allows us to remove the global.
We used many global functions to handle tests when they should be
imported like other libraries in our application. This also gets us
closer to the way Ember CLI prefers our tests to be laid out.
This is where they should be as far as ember is concerned. Note this is
a huge commit and we should be really careful everything continues to
work properly.
