bug(cassandra-sink): sink columns can be subset of target

[fuyufjh]

Describe the bug

The Cassandra sink asks the target table to have exactly the same set of columns as Sink. This is not consistent with other sinks: generally, the sink’s definition just need to be a subset of target table.

risingwave/java/connector-node/risingwave-sink-cassandra/src/main/java/com/risingwave/connector/CassandraUtil.java

Lines 82 to 86 in f6892e9

	if (columnDescs.size() != cassandraColumnDescMap.size()) {
	throw Status.FAILED_PRECONDITION
	.withDescription("Don't match in the number of columns in the table")
	.asRuntimeException();
	}

Error message/log

ERROR:  Failed to run the query

Caused by these errors (recent errors listed first):
  1: gRPC request to meta service failed: Internal error
  2: failed to validate sink
  3: sink cannot pass validation: FAILED_PRECONDITION: Don't match in the number of columns in the table

To Reproduce

No response

Expected behavior

No response

How did you deploy RisingWave?

No response

The version of RisingWave

No response

Additional context

No response

[BugenZhao]

Duplicated with #16607?