Add button type to settings toggle

app/views/projects/_export.html.haml

@@ -7,7 +7,7 @@
   .settings-header
     %h4
       Export project
-    %button.btn.js-settings-toggle
+    %button.btn.js-settings-toggle{ type: 'button' }
       = expanded ? 'Collapse' : 'Expand'
     %p
       Export this project with all its related data in order to move your project to a new GitLab instance. Once the export is finished, you can import the file from the "New Project" page.

app/views/projects/clusters/show.html.haml

@@ -31,7 +31,7 @@
   %section.settings#js-cluster-details{ class: ('expanded' if expanded) }
     .settings-header
       %h4= s_('ClusterIntegration|Kubernetes cluster details')
-      %button.btn.js-settings-toggle
+      %button.btn.js-settings-toggle{ type: 'button' }
         = expanded ? 'Collapse' : 'Expand'
       %p= s_('ClusterIntegration|See and edit the details for your Kubernetes cluster')
     .settings-content
@@ -43,7 +43,7 @@
   %section.settings.no-animate#js-cluster-advanced-settings{ class: ('expanded' if expanded) }
     .settings-header
       %h4= _('Advanced settings')
-      %button.btn.js-settings-toggle
+      %button.btn.js-settings-toggle{ type: 'button' }
         = expanded ? 'Collapse' : 'Expand'
       %p= s_("ClusterIntegration|Advanced options on this Kubernetes cluster's integration")
     .settings-content

app/views/projects/deploy_keys/_index.html.haml

@@ -3,7 +3,7 @@
   .settings-header
     %h4
       Deploy Keys
-    %button.btn.js-settings-toggle.qa-expand-deploy-keys
+    %button.btn.js-settings-toggle.qa-expand-deploy-keys{ type: 'button' }
       = expanded ? 'Collapse' : 'Expand'
     %p
       Deploy keys allow read-only or read-write (if enabled) access to your repository. Deploy keys can be used for CI, staging or production servers. You can create a deploy key or add an existing one.

app/views/projects/edit.html.haml

@@ -8,7 +8,7 @@
     .settings-header
       %h4
         General project settings
-      %button.btn.js-settings-toggle
+      %button.btn.js-settings-toggle{ type: 'button' }
         = expanded ? 'Collapse' : 'Expand'
       %p
         Update your project name, description, avatar, and other general settings.
@@ -64,7 +64,7 @@
     .settings-header
       %h4
         Permissions
-      %button.btn.js-settings-toggle
+      %button.btn.js-settings-toggle{ type: 'button' }
         = expanded ? 'Collapse' : 'Expand'
       %p
         Enable or disable certain project features and choose access levels.
@@ -79,7 +79,7 @@
     .settings-header
       %h4
         Merge request settings
-      %button.btn.js-settings-toggle
+      %button.btn.js-settings-toggle{ type: 'button' }
         = expanded ? 'Collapse' : 'Expand'
       %p
         Customize your merge request restrictions.
@@ -94,7 +94,7 @@
     .settings-header
       %h4
         Advanced settings
-      %button.btn.js-settings-toggle
+      %button.btn.js-settings-toggle{ type: 'button' }
         = expanded ? 'Collapse' : 'Expand'
       %p
         Perform advanced options such as housekeeping, archiving, renaming, transferring, or removing your project.

app/views/projects/protected_branches/shared/_index.html.haml

@@ -4,7 +4,7 @@
   .settings-header
     %h4
       Protected Branches
-    %button.btn.js-settings-toggle
+    %button.btn.js-settings-toggle{ type: 'button' }
       = expanded ? 'Collapse' : 'Expand'
     %p
       Keep stable branches secure and force developers to use merge requests.

app/views/projects/protected_tags/shared/_index.html.haml

@@ -4,7 +4,7 @@
   .settings-header
     %h4
       Protected Tags
-    %button.btn.js-settings-toggle
+    %button.btn.js-settings-toggle{ type: 'button' }
       = expanded ? 'Collapse' : 'Expand'
     %p
       Limit access to creating and updating tags.

app/views/projects/settings/ci_cd/show.html.haml

@@ -8,7 +8,7 @@
   .settings-header
     %h4
       General pipelines settings
-    %button.btn.js-settings-toggle
+    %button.btn.js-settings-toggle{ type: 'button' }
       = expanded ? 'Collapse' : 'Expand'
     %p
       Update your CI/CD configuration, like job timeout or Auto DevOps.
@@ -19,7 +19,7 @@
   .settings-header
     %h4
       Runners settings
-    %button.btn.js-settings-toggle
+    %button.btn.js-settings-toggle{ type: 'button' }
       = expanded ? 'Collapse' : 'Expand'
     %p
       Register and see your runners for this project.
@@ -31,7 +31,7 @@
     %h4
       = _('Secret variables')
       = link_to icon('question-circle'), help_page_path('ci/variables/README', anchor: 'secret-variables'), target: '_blank', rel: 'noopener noreferrer'
-    %button.btn.js-settings-toggle
+    %button.btn.js-settings-toggle{ type: 'button' }
       = expanded ? 'Collapse' : 'Expand'
     %p.append-bottom-0
       = render "ci/variables/content"
@@ -42,7 +42,7 @@
   .settings-header
     %h4
       Pipeline triggers
-    %button.btn.js-settings-toggle
+    %button.btn.js-settings-toggle{ type: 'button' }
       = expanded ? 'Collapse' : 'Expand'
     %p
       Triggers can force a specific branch or tag to get rebuilt with an API call.  These tokens will