Fix button missing type

CHANGELOG

@@ -56,6 +56,7 @@ v 8.11.0 (unreleased)
   - Add the `sprockets-es6` gem
   - Multiple trigger variables show in separate lines (Katarzyna Kobierska Ula Budziszewska)
   - Profile requests when a header is passed
+  - Fix button missing type (ClemMakesApps)
   - Avoid calculation of line_code and position for _line partial when showing diff notes on discussion tab.
   - Speedup DiffNote#active? on discussions, preloading noteables and avoid touching git repository to return diff_refs when possible
   - Add commit stats in commit api. !5517 (dixpac)

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

@@ -22,7 +22,7 @@
   - if can?(current_user, :create_issue, @project) || can?(current_user, :update_issue, @issue)
     .issuable-actions
       .clearfix.issue-btn-group.dropdown
-        %button.btn.btn-default.pull-left.hidden-md.hidden-lg{ data: { toggle: "dropdown" } }
+        %button.btn.btn-default.pull-left.hidden-md.hidden-lg{ type: "button", data: { toggle: "dropdown" } }
           %span.caret
           Options
         .dropdown-menu.dropdown-menu-align-right.hidden-lg

app/views/projects/merge_requests/show/_mr_title.html.haml

@@ -14,7 +14,7 @@
   - if can?(current_user, :update_merge_request, @merge_request)
     .issuable-actions
       .clearfix.issue-btn-group.dropdown
-        %button.btn.btn-default.pull-left.hidden-md.hidden-lg{ data: { toggle: "dropdown" } }
+        %button.btn.btn-default.pull-left.hidden-md.hidden-lg{ type: "button", data: { toggle: "dropdown" } }
           %span.caret
           Options
         .dropdown-menu.dropdown-menu-align-right.hidden-lg