Issue #2349829 by killerpoke, droplet, cjoy: Fixed #2293589 breaks table row buttons.

core/misc/dropbutton/dropbutton.css

@@ -33,10 +33,10 @@
 .js td .dropbutton-widget {
   position: absolute;
 }
-.js td .dropbutton-multiple {
-  display: block;
+.js td .dropbutton-wrapper {
   min-height: 2em;
-  position: relative;
+}
+.js td .dropbutton-multiple {
   padding-right: 10em; /* LTR */
   margin-right: 2em; /* LTR */
   max-width: 100%;