Fix manage group box after migration.

Telegram/SourceFiles/boxes/peers/edit_peer_info_box.cpp

@@ -920,8 +920,12 @@ void Controller::fillManageSection() {
 		AddButtonWithCount(
 			_controls.buttonsLayout,
 			tr::lng_manage_peer_permissions(),
-			Info::Profile::RestrictionsCountValue(_peer)
+			Info::Profile::MigratedOrMeValue(
-			| ToPositiveNumberStringRestrictions(),
+				_peer
+			) | rpl::map(
+				Info::Profile::RestrictionsCountValue
+			) | rpl::flatten_latest(
+			) | ToPositiveNumberStringRestrictions(),
 			[=] { ShowEditPermissions(_peer); },
 			st::infoIconPermissions);
 	}
@@ -929,8 +933,12 @@ void Controller::fillManageSection() {
 		AddButtonWithCount(
 			_controls.buttonsLayout,
 			tr::lng_manage_peer_administrators(),
-			Info::Profile::AdminsCountValue(_peer)
+			Info::Profile::MigratedOrMeValue(
-			| ToPositiveNumberString(),
+				_peer
+			) | rpl::map(
+				Info::Profile::AdminsCountValue
+			) | rpl::flatten_latest(
+			) | ToPositiveNumberString(),
 			[=] {
 				ParticipantsBoxController::Start(
 					navigation,
@@ -943,8 +951,12 @@ void Controller::fillManageSection() {
 		AddButtonWithCount(
 			_controls.buttonsLayout,
 			tr::lng_manage_peer_members(),
-			Info::Profile::MembersCountValue(_peer)
+			Info::Profile::MigratedOrMeValue(
-			| ToPositiveNumberString(),
+				_peer
+			) | rpl::map(
+				Info::Profile::MembersCountValue
+			) | rpl::flatten_latest(
+			) | ToPositiveNumberString(),
 			[=] {
 				ParticipantsBoxController::Start(
 					navigation,

Telegram/SourceFiles/info/profile/info_profile_values.cpp

@@ -276,6 +276,21 @@ rpl::producer<int> RestrictionsCountValue(not_null<PeerData*> peer) {
 	Unexpected("User in RestrictionsCountValue().");
 }
 
+rpl::producer<not_null<PeerData*>> MigratedOrMeValue(
+		not_null<PeerData*> peer) {
+	using Flag = Notify::PeerUpdate::Flag;
+	if (const auto chat = peer->asChat()) {
+		return Notify::PeerUpdateValue(
+			chat,
+			Flag::MigrationChanged
+		) | rpl::map([=] {
+			return chat->migrateToOrMe();
+		});
+	} else {
+		return rpl::single(peer);
+	}
+}
+
 rpl::producer<int> RestrictedCountValue(not_null<ChannelData*> channel) {
 	using Flag = Notify::PeerUpdate::Flag;
 	return Notify::PeerUpdateValue(

Telegram/SourceFiles/info/profile/info_profile_values.h

@@ -32,6 +32,9 @@ inline auto ToSingleLine() {
 	});
 }
 
+rpl::producer<not_null<PeerData*>> MigratedOrMeValue(
+	not_null<PeerData*> peer);
+
 rpl::producer<TextWithEntities> NameValue(not_null<PeerData*> peer);
 rpl::producer<TextWithEntities> PhoneValue(not_null<UserData*> user);
 rpl::producer<TextWithEntities> PhoneOrHiddenValue(not_null<UserData*> user);