Set room as read when focusing it by ctrl+tab

TODO.md

@@ -1,6 +1,5 @@
 # TODO
 
-- set open_room correctly when using other ways to change rooms than clicking
 - merge AccountBar account and RoomList account delegates code
 
 - fix python getting stuck when loading large room

src/gui/PageLoader.qml

@@ -50,6 +50,9 @@ HLoader {
         if (history.length > historyLength) history.pop()
 
         pageLoader.setSource(componentUrl, properties)
+
+        if (componentUrl === "Pages/Chat/Chat.qml" && properties.roomId)
+            py.callCoro("room_read", [properties.roomId])
     }
 
     function showPage(name, properties={}) {
@@ -64,8 +67,6 @@ HLoader {
     function showRoom(userId, roomId) {
         _show("Pages/Chat/Chat.qml", {userId, roomId})
 
-        py.callCoro("room_read", [roomId])
-
         window.uiState.page           = "Pages/Chat/Chat.qml"
         window.uiState.pageProperties = {userId, roomId}
         window.uiStateChanged()