fix(migration): align PG v200 migration with MySQL #27687 (#27757)

Comment out migrateThreadTasksToTaskEntity in the PostgreSQL v200
migration to match the MySQL fix from PR #27687. The original fix was
only applied to MySQL, leaving PostgreSQL deployments exposed to the
same Collate CI failure.

Author: pmbrull

openmetadata-service/src/main/java/org/openmetadata/service/migration/postgres/v200/Migration.java

@@ -4,7 +4,6 @@
 import static org.openmetadata.service.migration.utils.v200.MigrationUtil.backfillAnnouncementRelationships;
 import static org.openmetadata.service.migration.utils.v200.MigrationUtil.migrateLegacyActivityThreadsToActivityStream;
 import static org.openmetadata.service.migration.utils.v200.MigrationUtil.migrateSuggestionsToTaskEntity;
-import static org.openmetadata.service.migration.utils.v200.MigrationUtil.migrateThreadTasksToTaskEntity;
 
 import lombok.SneakyThrows;
 import org.openmetadata.service.migration.api.MigrationProcessImpl;
@@ -21,7 +20,9 @@ public Migration(MigrationFile migrationFile) {
   public void runDataMigration() {
     addTableColumnSearchSettings();
     migrateSuggestionsToTaskEntity(handle);
-    migrateThreadTasksToTaskEntity(handle);
+    // Causing issues with collate CI, needs to be fixed before enabling this migration
+    // @harshach
+    // migrateThreadTasksToTaskEntity(handle);
     migrateLegacyActivityThreadsToActivityStream(handle);
     backfillAnnouncementRelationships(handle);
   }