Fix object identities for text search objects
Fix object identities for text search objects

We were neglecting to schema-qualify them.

Backpatch to 9.3, where object identities were introduced as a concept
by commit f8348ea32ec8.

jmcatamney/gpdb,lisakowen/gpdb,pavanvd/postgres-xl,greenplum-db/gpdb,ashwinstar/gpdb,adam8157/gpdb,greenplum-db/gpdb,adam8157/gpdb,50wu/gpdb,techdragon/Postgres-XL,adam8157/gpdb,jmcatamney/gpdb,adam8157/gpdb,50wu/gpdb,Postgres-XL/Postgres-XL,adam8157/gpdb,jmcatamney/gpdb,ovr/postgres-xl,lisakowen/gpdb,techdragon/Postgres-XL,jmcatamney/gpdb,lisakowen/gpdb,ovr/postgres-xl,xinzweb/gpdb,ovr/postgres-xl,lisakowen/gpdb,yazun/postgres-xl,50wu/gpdb,jmcatamney/gpdb,oberstet/postgres-xl,ashwinstar/gpdb,greenplum-db/gpdb,xinzweb/gpdb,yazun/postgres-xl,lisakowen/gpdb,xinzweb/gpdb,xinzweb/gpdb,ashwinstar/gpdb,greenplum-db/gpdb,Postgres-XL/Postgres-XL,lisakowen/gpdb,techdragon/Postgres-XL,50wu/gpdb,yazun/postgres-xl,zeroae/postgres-xl,Postgres-XL/Postgres-XL,ashwinstar/gpdb,jmcatamney/gpdb,oberstet/postgres-xl,zeroae/postgres-xl,ovr/postgres-xl,xinzweb/gpdb,pavanvd/postgres-xl,xinzweb/gpdb,ashwinstar/gpdb,techdragon/Postgres-XL,ashwinstar/gpdb,adam8157/gpdb,50wu/gpdb,Postgres-XL/Postgres-XL,pavanvd/postgres-xl,zeroae/postgres-xl,yazun/postgres-xl,Postgres-XL/Postgres-XL,xinzweb/gpdb,50wu/gpdb,ashwinstar/gpdb,50wu/gpdb,oberstet/postgres-xl,greenplum-db/gpdb,ashwinstar/gpdb,ovr/postgres-xl,adam8157/gpdb,jmcatamney/gpdb,jmcatamney/gpdb,greenplum-db/gpdb,pavanvd/postgres-xl,oberstet/postgres-xl,zeroae/postgres-xl,50wu/gpdb,greenplum-db/gpdb,xinzweb/gpdb,pavanvd/postgres-xl,lisakowen/gpdb,techdragon/Postgres-XL,oberstet/postgres-xl,zeroae/postgres-xl,greenplum-db/gpdb,adam8157/gpdb,lisakowen/gpdb,yazun/postgres-xl