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

ElementX/Sources/Mocks/Generated/GeneratedMocks.swift

@@ -13383,6 +13383,11 @@ class NotificationItemProxyMock: NotificationItemProxyProtocol, @unchecked Senda
         set(value) { underlyingIsRoomPrivate = value }
     }
     var underlyingIsRoomPrivate: Bool!
+    var isDM: Bool {
+        get { return underlyingIsDM }
+        set(value) { underlyingIsDM = value }
+    }
+    var underlyingIsDM: Bool!
     var isNoisy: Bool {
         get { return underlyingIsNoisy }
         set(value) { underlyingIsNoisy = value }
@@ -15349,6 +15354,11 @@ class RoomInfoProxyMock: RoomInfoProxyProtocol, @unchecked Sendable {
         set(value) { underlyingIsDirect = value }
     }
     var underlyingIsDirect: Bool!
+    var isDM: Bool {
+        get { return underlyingIsDM }
+        set(value) { underlyingIsDM = value }
+    }
+    var underlyingIsDM: Bool!
     var isSpace: Bool {
         get { return underlyingIsSpace }
         set(value) { underlyingIsSpace = value }
@@ -15469,6 +15479,11 @@ class RoomMemberProxyMock: RoomMemberProxyProtocol, @unchecked Sendable {
         set(value) { underlyingPowerLevel = value }
     }
     var underlyingPowerLevel: RoomPowerLevel!
+    var isServiceMember: Bool {
+        get { return underlyingIsServiceMember }
+        set(value) { underlyingIsServiceMember = value }
+    }
+    var underlyingIsServiceMember: Bool!
 
 }
 class RoomMembershipDetailsProxyMock: RoomMembershipDetailsProxyProtocol, @unchecked Sendable {

ElementX/Sources/Mocks/InvitedRoomProxyMock.swift

@@ -85,6 +85,6 @@ private extension RoomMember {
                   isIgnored: proxy.isIgnored,
                   suggestedRoleForPowerLevel: proxy.role.rustRole,
                   membershipChangeReason: proxy.membershipChangeReason,
-                  isServiceMember: false)
+                  isServiceMember: proxy.isServiceMember)
     }
 }

ElementX/Sources/Mocks/JoinedRoomProxyMock.swift

@@ -182,6 +182,7 @@ extension RoomInfoProxyMock {
         activeMembersCount = configuration.members.filter { $0.membership == .join || $0.membership == .invite }.count
         invitedMembersCount = configuration.members.filter { $0.membership == .invite }.count
         joinedMembersCount = configuration.members.filter { $0.membership == .join }.count
+        isDM = isDirect && activeMembersCount <= 2
         highlightCount = 0
         notificationCount = 0
         cachedUserDefinedNotificationMode = .allMessages

ElementX/Sources/Mocks/NotificationItemProxyMock.swift

@@ -52,5 +52,6 @@ extension NotificationItemProxyMock {
         underlyingIsNoisy = configuration.isNoisy
         underlyingHasMention = configuration.hasMention
         threadRootEventID = configuration.threadRootEventID
+        underlyingIsDM = configuration.isRoomDirect && configuration.roomJoinedMembers <= 2
     }
 }

ElementX/Sources/Mocks/SDK/LeaveSpaceHandleSDKMock.swift

@@ -151,7 +151,8 @@ private extension SpaceRoom {
          childrenCount: UInt64 = 0,
          membership: Membership? = .joined,
          heroes: [RoomHero]? = [],
-         via: [String] = []) {
+         via: [String] = [],
+         isDM: Bool? = false) {
         self.init(roomId: id,
                   canonicalAlias: canonicalAlias,
                   displayName: name,
@@ -168,6 +169,6 @@ private extension SpaceRoom {
                   state: membership,
                   heroes: heroes,
                   via: via,
-                  isDm: false)
+                  isDm: isDM)
     }
 }