[jOOQ/jOOQ#8964] Always cast decimals with scale in toSQL92Values()

The SQL Server workaround does not always work correctly when the
`CAST()` is only applied to the values of the first row.

jOOQ/src/main/java/org/jooq/impl/FieldMapsForInsert.java

@@ -67,7 +67,6 @@ import org.jooq.Field;
 import org.jooq.Param;
 // ...
 import org.jooq.Record;
-import org.jooq.RenderContext;
 import org.jooq.Select;
 import org.jooq.Table;
 import org.jooq.impl.AbstractStoreQuery.UnknownField;
@@ -279,6 +278,7 @@ final class FieldMapsForInsert extends AbstractQueryPart {
 
 
 
+
                 ctx.visit(list.get(row));
                 separator = ", ";
             }