Fix a whitespace issue in aggregation table

In a cell with data of type wiki, the non-zero margin-bottom of the last
block element creates an unpleasant whitespace.

This fixes #661.

Author: ericguirbal

style.less

@@ -334,6 +334,13 @@ form.struct_newschema {
 
 .dokuwiki .structaggregation {
 
+    &.structaggregationtable,
+    &.structaggregationeditortable {
+        table.inline td > *:last-child {
+            margin-bottom: 0;
+        }
+    }
+
     &.structaggregationlist > ul li div {
         display: inline;
 
@@ -425,6 +432,7 @@ form.struct_newschema {
     }
 }
 
+
 .dokuwiki .structaggregationcloud {
     ul {
         text-align: center;