MM-62751: [Shared Channels] Allow remote users to be discoverable in the create DM/GM modal (#30918)

server/channels/db/migrations/migrations.list

@@ -273,6 +273,8 @@ channels/db/migrations/mysql/000137_update_attribute_view.down.sql
 channels/db/migrations/mysql/000137_update_attribute_view.up.sql
 channels/db/migrations/mysql/000138_add_default_category_name_to_channel.down.sql
 channels/db/migrations/mysql/000138_add_default_category_name_to_channel.up.sql
+channels/db/migrations/mysql/000139_remoteclusters_add_last_global_user_sync_at.down.sql
+channels/db/migrations/mysql/000139_remoteclusters_add_last_global_user_sync_at.up.sql
 channels/db/migrations/postgres/000001_create_teams.down.sql
 channels/db/migrations/postgres/000001_create_teams.up.sql
 channels/db/migrations/postgres/000002_create_team_members.down.sql
@@ -547,3 +549,5 @@ channels/db/migrations/postgres/000137_update_attribute_view.down.sql
 channels/db/migrations/postgres/000137_update_attribute_view.up.sql
 channels/db/migrations/postgres/000138_add_default_category_name_to_channel.down.sql
 channels/db/migrations/postgres/000138_add_default_category_name_to_channel.up.sql
+channels/db/migrations/postgres/000139_remoteclusters_add_last_global_user_sync_at.down.sql
+channels/db/migrations/postgres/000139_remoteclusters_add_last_global_user_sync_at.up.sql