[syncschema] don't arbitrarily remove constraints from the in-memory schema
For some constraint types, it may make sense to have several constraints
of that type simultaneously. In such a case, removing one of them from
the in-memory schema is wrong.
Closes #7446353
/* sortable tables */
table.listing tr .headerSortUp {
background-image: url(asc.gif);
}
table.listing tr .headerSortDown {
background-image: url(desc.gif);
}
table.listing tr .headerSortDown, table.listing tr .headerSortUp {
background-color: %(listingBorderColor)s;
background-repeat: no-repeat;
background-position: center right;
}