[Frontend] Adds overflow scrolling to .l-view-section (#2039)

Fixes #1878
- Add overflow: auto;
- Better naming of $overflow arg;
- Fixed and unit tested in plots and tables;

platform/features/table/res/templates/mct-table.html

@@ -5,7 +5,7 @@
         Export
     </a>
 </div>
-<div class="l-view-section scrolling" style="overflow: auto;" mct-resize="resize()">
+<div class="l-view-section scrolling" mct-resize="resize()">
     <table class="sizing-table">
         <tbody>
             <tr>