ATLAS-3093 UI : Fix to add missing tooltips to lineage page.

dashboardv2/public/js/templates/graph/LineageLayoutView_tmpl.html

@@ -95,16 +95,16 @@
             </button>
         </div>
         <div>
-            <button type="button" data-id="setting-toggler" class="btn btn-action btn-gray btn-sm"><i class="fa fa-gear"></i></button>
+            <button type="button" data-id="setting-toggler" title="Settings" class="btn btn-action btn-gray btn-sm"><i class="fa fa-gear"></i></button>
         </div>
         <div>
-            <button type="button" data-id="filter-toggler" class="btn btn-action btn-gray btn-sm"><i class="fa fa-filter"></i></button>
+            <button type="button" data-id="filter-toggler" title="Filter" class="btn btn-action btn-gray btn-sm"><i class="fa fa-filter"></i></button>
         </div>
         <div>
-            <button type="button" data-id="search-toggler" class="btn btn-action btn-gray btn-sm"><i class="fa fa-search"></i></button>
+            <button type="button" data-id="search-toggler" title="Search" class="btn btn-action btn-gray btn-sm"><i class="fa fa-search"></i></button>
         </div>
         <div>
-            <button type="button" data-id="fullScreen-toggler" class="btn btn-action btn-gray btn-sm fullscreen_lineage"><i class="fa fa-expand"></i></button>
+            <button type="button" data-id="fullScreen-toggler" title="Full screen" class="btn btn-action btn-gray btn-sm fullscreen_lineage"><i class="fa fa-expand"></i></button>
         </div>
         <div class="btn-group">
             <button type="button" id="zoom_in" class="btn btn-action btn-gray btn-sm lineageZoomButton" title="Zoom In" data-id="refreshBtn"> <i class="fa fa-search-plus"></i></button>