Fix association adder dialog table-body position

https://fedorahosted.org/freeipa/ticket/3904

install/ui/ipa.css

@@ -470,10 +470,6 @@ div[name=settings].facet-group li a {
     border: none;
 }
 
-.search-table > a:link, a:visted {
-    color:black;
-}
-
 .search-table thead tr th {
     padding: 0 6px;
     background-color:#f6f6f6;
@@ -845,8 +841,8 @@ table.scrollable tbody {
 .adder-dialog tbody {
     position: absolute;
     bottom: 32px;
-    left: 3px;
-    right: 4px;
+    left: 0;
+    right: 0;
     top: 31px;
 }