Update libqmatrixclient.

Enable member lazy loading.
Some Qt 5.12 fix.

imports/Spectral/Component/Timeline/MessageDelegate.qml

@@ -68,10 +68,8 @@ ColumnLayout {
         Control {
             Layout.maximumWidth: messageListView.width - (!sentByMe ? 32 + messageRow.spacing : 0) - 48
 
-            topPadding: 8
-            bottomPadding: 8
-            leftPadding: 16
-            rightPadding: 16
+            verticalPadding: 8
+            horizontalPadding: 16
 
             background: Rectangle {
                 color: sentByMe ? "#009DC2" : eventType === "notice" ? "#4285F4" : "#673AB7"

imports/Spectral/Panel/RoomDrawer.qml

@@ -48,7 +48,7 @@ Drawer {
 
             wrapMode: Label.Wrap
             horizontalAlignment: Text.AlignHCenter
-            text: room ? room.memberCount + " Members" : "No Member Count"
+            text: room ? room.totalMemberCount + " Members" : "No Member Count"
         }
 
         RowLayout {

imports/Spectral/Panel/RoomListPanel.qml

@@ -813,7 +813,11 @@ Rectangle {
                             inviteDialog.currentRoom = currentRoom
                             inviteDialog.open()
                         } else {
-                            leaveRoom(enteredRoom)
+                            if (enteredRoom) {
+                                enteredRoom.displayed = false
+                                leaveRoom(enteredRoom)
+                            }
+                            currentRoom.displayed = true
                             enterRoom(currentRoom)
                             enteredRoom = currentRoom
                         }