Merge branch '22640-use-v-cloak-on-button-text' into 'master'

Added v-cloak to resolve disc button

## What does this MR do?

Adds `v-cloak` to the `Resolve discussion` button to avoid handlebar syntax displaying before the component compiles.

## Are there points in the code the reviewer needs to double check?

## Why was this MR needed?

## Screenshots (if relevant)

## Does this MR meet the acceptance criteria?

- [ ] [CHANGELOG](https://gitlab.com/gitlab-org/gitlab-ce/blob/master/CHANGELOG) entry added
- [ ] [Documentation created/updated](https://gitlab.com/gitlab-org/gitlab-ce/blob/master/doc/development/doc_styleguide.md)
- [ ] API support added
- Tests
  - [ ] Added for this feature/bug
  - [ ] All builds are passing
- [ ] Conform by the [merge request performance guides](http://docs.gitlab.com/ce/development/merge_request_performance_guidelines.html)
- [ ] Conform by the [style guides](https://gitlab.com/gitlab-org/gitlab-ce/blob/master/CONTRIBUTING.md#style-guides)
- [ ] Branch has no merge conflicts with `master` (if you do - rebase it please)
- [ ] [Squashed related commits together](https://git-scm.com/book/en/Git-Tools-Rewriting-History#Squashing-Commits)

## What are the relevant issue numbers?


Closes #22640

See merge request !6528

app/views/discussions/_resolve_all.html.haml

@@ -6,6 +6,6 @@
       ":can-resolve" => discussion.can_resolve?(current_user),
       "inline-template" => true }
     .btn-group{ role: "group", "v-if" => "showButton" }
-      %button.btn.btn-default{ type: "button", "@click" => "resolve", ":disabled" => "loading" }
+      %button.btn.btn-default{ type: "button", "@click" => "resolve", ":disabled" => "loading", "v-cloak": true }
         = icon("spinner spin", "v-show" => "loading")
         {{ buttonText }}