OHIF-61: Fixing 'more' tools dropdown

Packages/viewerbase/client/components/viewer/toolbarSectionTools/toolbarSectionTools.styl

@@ -9,8 +9,9 @@ $distance = 12px
     bottom: - ($toolbarDrawerHeight + $distance)
     height: $toolbarDrawerHeight
     left: 0
+    min-width: 100%
     position: absolute
-    width: 100%
+    white-space: nowrap
 
     .toolbarSectionDrawer
       background-color: $uiGrayDarker
@@ -30,4 +31,4 @@ $distance = 12px
       width: 8px
 
     &.active .buttonLabel i
-      transform(rotateX(180deg))
+      transform(rotateX(180deg))