Need to provide warning when couchbase to couchbase capi replication is created

As of now, capi replication can be set up against a couchbase target cluster. Since this setup has been deprecated, we need to provide a warning to alert users of the deprecation. The plan is to add the warning message right after the replication creation ui log message.

Existing replication creation ui log message:

Replication from bucket "source" to bucket "default" on cluster "remote" created.

Proposed warning message to follow the ui log message above:

Warning - Replication is of version 1 type and the replication target "remote" is a Couchbase Server cluster. This configuration has been deprecated and version 1 type replication should be used only for replications with an Elasticsearch cluster target. When the target is a Couchbase Server cluster, we strongly recommend that version 2 type replication be used instead.