use isDM from the SDK to determine if a spaceRoom, a joinedRoom or a notificationItem are from a dm room.

ElementX/Sources/Services/Room/RoomInfoProxy.swift

@@ -49,6 +49,10 @@ struct RoomInfoProxy: RoomInfoProxyProtocol {
     var isDirect: Bool {
         roomInfo.isDirect
     }
+    
+    var isDM: Bool {
+        roomInfo.isDm
+    }
 
     var isSpace: Bool {
         roomInfo.isSpace

ElementX/Sources/Services/Room/RoomInfoProxyProtocol.swift

@@ -36,6 +36,7 @@ protocol RoomInfoProxyProtocol: BaseRoomInfoProxyProtocol {
 
     var isEncrypted: Bool { get }
     var isDirect: Bool { get }
+    var isDM: Bool { get }
     var isSpace: Bool { get }
     var isFavourite: Bool { get }
     

ElementX/Sources/Services/Room/RoomMember/RoomMemberProxy.swift

@@ -51,4 +51,8 @@ final class RoomMemberProxy: RoomMemberProxyProtocol {
     var powerLevel: RoomPowerLevel {
         .init(rustPowerLevel: member.powerLevel)
     }
+    
+    var isServiceMember: Bool {
+        member.isServiceMember
+    }
 }

ElementX/Sources/Services/Room/RoomMember/RoomMemberProxyProtocol.swift

@@ -25,6 +25,8 @@ protocol RoomMemberProxyProtocol: AnyObject {
     var isIgnored: Bool { get }
     
     var powerLevel: RoomPowerLevel { get }
+    
+    var isServiceMember: Bool { get }
 }
 
 extension RoomMemberProxyProtocol {

ElementX/Sources/Services/Room/RoomProxyProtocol.swift

@@ -222,10 +222,6 @@ extension JoinedRoomProxyProtocol {
                            isDirect: infoPublisher.value.isDirect,
                            historySharingState: historySharingState)
     }
-    
-    var isDirectOneToOneRoom: Bool {
-        infoPublisher.value.isDirect && infoPublisher.value.activeMembersCount <= 2
-    }
 
     func members() async -> [RoomMemberProxyProtocol]? {
         await updateMembers()