Fixes #1867, issue with forceSelection not clearing filter

src/definitions/modules/dropdown.js

@@ -456,6 +456,7 @@ $.fn.dropdown = function(parameters) {
           ;
           if(hasSelected) {
             module.event.item.click.call($selectedItem);
+            module.remove.filteredItem();
           }
         },
 

src/definitions/modules/dropdown.less

@@ -399,7 +399,7 @@ select.ui.dropdown {
 /* Scrollbar in IE */
 @media all and (-ms-high-contrast:none) {
   .ui.selection.dropdown .menu {
-    min-width: calc(100% - @scrollbarWidth);
+    min-width: calc(100% - @scrollBarWidth);
   }
 }