sliding_sync(state): use * for m.call.member when requesting state through sliding sync

- introduced in #4159 with an empty string
- call members use custom `state_key`s and as such not specifying the sentinel won't match them and state won't be returned

Author: stefanceriu

crates/matrix-sdk-ui/src/room_list_service/mod.rs

@@ -87,7 +87,7 @@ const DEFAULT_REQUIRED_STATE: &[(StateEventType, &str)] = &[
     (StateEventType::RoomTopic, ""),
     (StateEventType::RoomCanonicalAlias, ""),
     (StateEventType::RoomPowerLevels, ""),
-    (StateEventType::CallMember, ""),
+    (StateEventType::CallMember, "*"),
 ];
 
 /// The default `required_state` constant value for sliding sync room

crates/matrix-sdk-ui/tests/integration/room_list_service.rs

@@ -330,7 +330,7 @@ async fn test_sync_all_states() -> Result<(), Error> {
                         ["m.room.topic", ""],
                         ["m.room.canonical_alias", ""],
                         ["m.room.power_levels", ""],
-                        ["org.matrix.msc3401.call.member", ""],
+                        ["org.matrix.msc3401.call.member", "*"],
                     ],
                     "include_heroes": true,
                     "filters": {
@@ -2099,7 +2099,7 @@ async fn test_room_subscription() -> Result<(), Error> {
                         ["m.room.topic", ""],
                         ["m.room.canonical_alias", ""],
                         ["m.room.power_levels", ""],
-                        ["org.matrix.msc3401.call.member", ""],
+                        ["org.matrix.msc3401.call.member", "*"],
                         ["m.room.create", ""],
                         ["m.room.pinned_events", ""],
                     ],
@@ -2137,7 +2137,7 @@ async fn test_room_subscription() -> Result<(), Error> {
                         ["m.room.topic", ""],
                         ["m.room.canonical_alias", ""],
                         ["m.room.power_levels", ""],
-                        ["org.matrix.msc3401.call.member", ""],
+                        ["org.matrix.msc3401.call.member", "*"],
                         ["m.room.create", ""],
                         ["m.room.pinned_events", ""],
                     ],