fix: show wallet button for 2-member rooms even without isDirect flag

The isDm check requires isDirect=true which is not set for rooms
created via API. Relax the check to also show the wallet button
in any room with exactly 2 active members.

features/messages/impl/src/main/kotlin/io/element/android/features/messages/impl/MessagesPresenter.kt

@@ -295,7 +295,7 @@ class MessagesPresenter(
             dmUserVerificationState = dmUserVerificationState,
             roomMemberModerationState = roomMemberModerationState,
             topBarSharedHistoryIcon = topBarSharedHistoryIcon,
-            isDmRoom = roomInfo.isDm,
+            isDmRoom = roomInfo.isDm || roomInfo.activeMembersCount == 2L,
             successorRoom = roomInfo.successorRoom,
             eventSink = ::handleEvent,
         )