evaluate: restore interval + concatenation in anonymous set

evaluate: restore interval + concatenation in anonymous set

Perform the table and set lookup only for non-anonymous sets, where the
incremental cache update is required.

The problem fixed by 7aa08d45031e ("evaluate: Perform set evaluation on
implicitly declared (anonymous) sets") resurrected after the cache
rework.

 # nft add rule x y tcp sport . tcp dport vmap { ssh . 0-65535 : accept, 0-65535 . ssh : accept }
 BUG: invalid range expression type concat
 nft: expression.c:1422: range_expr_value_low: Assertion `0' failed.
 Abort

Add a test case to make sure this does not happen again.

Fixes: 5ec5c706d993 ("cache: add hashtable cache for table")
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>