Fix issue create new branch

app/assets/javascripts/create_merge_request_dropdown.js

@@ -61,8 +61,8 @@ export default class CreateMergeRequestDropdown {
   }
 
   available() {
-    this.availableButton.classList.remove('hide');
-    this.unavailableButton.classList.add('hide');
+    this.availableButton.classList.remove('hidden');
+    this.unavailableButton.classList.add('hidden');
   }
 
   bindEvents() {
@@ -231,7 +231,7 @@ export default class CreateMergeRequestDropdown {
   }
 
   hide() {
-    this.wrapperEl.classList.add('hide');
+    this.wrapperEl.classList.add('hidden');
   }
 
   init() {
@@ -405,8 +405,8 @@ export default class CreateMergeRequestDropdown {
   }
 
   unavailable() {
-    this.availableButton.classList.add('hide');
-    this.unavailableButton.classList.remove('hide');
+    this.availableButton.classList.add('hidden');
+    this.unavailableButton.classList.remove('hidden');
   }
 
   updateInputState(target, ref, result) {

app/assets/stylesheets/pages/issues.scss

@@ -205,7 +205,7 @@ ul.related-merge-requests > li {
     }
   }
 
-  .btn-group:not(.hide) {
+  .btn-group:not(.hidden) {
     display: flex;
   }
 
@@ -258,8 +258,8 @@ ul.related-merge-requests > li {
     }
 
     .create-mr-dropdown-wrap {
-      .btn-group:not(.hide) {
-        display: inline-block;
+      .btn-group:not(.hidden) {
+        display: inline-flex;
       }
     }
   }

app/views/projects/issues/_new_branch.html.haml

@@ -14,7 +14,7 @@
         = icon('spinner', class: 'fa-spin')
         %span.text
           Checking branch availability…
-    .btn-group.available.d-none
+    .btn-group.available.hidden
       %button.btn.js-create-merge-request.btn-success.btn-inverted{ type: 'button', data: { action: data_action } }
         = value
 

spec/features/issues/user_creates_branch_and_merge_request_spec.rb

@@ -139,8 +139,8 @@ describe 'User creates branch and merge request on issue page', :js do
       end
 
       it 'disables the create branch button' do
-        expect(page).to have_css('.create-mr-dropdown-wrap .unavailable:not(.hide)')
-        expect(page).to have_css('.create-mr-dropdown-wrap .available.hide', visible: false)
+        expect(page).to have_css('.create-mr-dropdown-wrap .unavailable:not(.hidden)')
+        expect(page).to have_css('.create-mr-dropdown-wrap .available.hidden', visible: false)
         expect(page).to have_content /1 Related Merge Request/
       end
     end