Fix room settings not treating unencrypted DMs as DMs (#3545)

Author: jmartinesp

libraries/matrixui/src/main/kotlin/io/element/android/libraries/matrix/ui/room/MatrixRoomMembers.kt

@@ -44,7 +44,7 @@ fun MatrixRoom.getDirectRoomMember(roomMembersState: MatrixRoomMembersState): St
         derivedStateOf {
             roomMembers
                 ?.filter { it.membership.isActive() }
-                ?.takeIf { it.size == 2 && isDirect && isEncrypted }
+                ?.takeIf { it.size == 2 && isDirect }
                 ?.find { it.userId != sessionId }
         }
     }

libraries/matrixui/src/test/kotlin/io/element/android/libraries/matrix/ui/room/MatrixRoomMembersTest.kt

@@ -60,7 +60,7 @@ class MatrixRoomMembersTest {
     }
 
     @Test
-    fun `getDirectRoomMember emit null if the room is not encrypted`() = runTest {
+    fun `getDirectRoomMember emits other member even if the room is not encrypted`() = runTest {
         val matrixRoom = FakeMatrixRoom(
             sessionId = A_USER_ID,
             isEncrypted = false,
@@ -71,7 +71,7 @@ class MatrixRoomMembersTest {
                 MatrixRoomMembersState.Ready(persistentListOf(roomMember1, roomMember2))
             )
         }.test {
-            assertThat(awaitItem().value).isNull()
+            assertThat(awaitItem().value).isEqualTo(roomMember2)
         }
     }