core: request roster (#7121)

src/Simplex/Chat/Store/Postgres/Migrations/chat_schema.sql

@@ -834,7 +834,8 @@ CREATE TABLE test_chat_schema.group_members (
     member_relations_vector bytea,
     relay_link bytea,
     member_pub_key bytea,
-    removed_at timestamp with time zone
+    removed_at timestamp with time zone,
+    roster_served_version bigint
 );
 
 
@@ -994,7 +995,9 @@ CREATE TABLE test_chat_schema.groups (
     roster_sending_owner_gm_id bigint,
     roster_broker_ts timestamp with time zone,
     roster_blob bytea,
-    group_domain_verified smallint
+    group_domain_verified smallint,
+    stored_roster_version bigint,
+    applied_complete_roster_version bigint
 );