Hides tooltip when dragging

Fixes issue with cursor not changing when dragging

app/assets/javascripts/boards/components/board.js.es6

@@ -55,7 +55,7 @@
         draggable: '.is-draggable',
         handle: '.js-board-handle',
         onEnd: (e) => {
-          document.body.classList.remove('is-dragging');
+          gl.issueBoards.onEnd();
 
           if (e.newIndex !== undefined && e.oldIndex !== e.newIndex) {
             const order = this.sortable.toArray(),

app/assets/javascripts/boards/components/board_list.js.es6

@@ -64,9 +64,7 @@
           Store.moving.issue = card.issue;
           Store.moving.list = card.list;
 
-          $('.has-tooltip').tooltip('hide')
-            .tooltip('disable');
-          document.body.classList.add('is-dragging');
+          gl.issueBoards.onStart();
         },
         onAdd: (e) => {
           gl.issueBoards.BoardsStore.moveIssueToList(Store.moving.list, this.list, Store.moving.issue);

app/assets/javascripts/boards/mixins/sortable_default_options.js.es6

@@ -2,6 +2,17 @@
   window.gl = window.gl || {};
   window.gl.issueBoards = window.gl.issueBoards || {};
 
+  gl.issueBoards.onStart = () => {
+    $('.has-tooltip').tooltip('hide')
+      .tooltip('disable');
+    document.body.classList.add('is-dragging');
+  };
+
+  gl.issueBoards.onEnd = () => {
+    $('.has-tooltip').tooltip('enable');
+    document.body.classList.remove('is-dragging');
+  };
+
   gl.issueBoards.getBoardSortableDefaultOptions = (obj) => {
     let defaultSortOptions = {
       forceFallback: true,
@@ -11,15 +22,8 @@
       filter: '.has-tooltip',
       scrollSensitivity: 100,
       scrollSpeed: 20,
-      onStart () {
-        $('.has-tooltip').tooltip('hide')
-          .tooltip('disable');
-        document.body.classList.add('is-dragging');
-      },
-      onEnd () {
-        $('.has-tooltip').tooltip('enable');
-        document.body.classList.remove('is-dragging');
-      }
+      onStart: gl.issueBoards.onStart,
+      onEnd: gl.issueBoards.onEnd
     }
 
     Object.keys(obj).forEach((key) => { defaultSortOptions[key] = obj[key]; });