Update chatPage properly when roomCategory changes

harmonyqml/components/Chat/Banners/LeftBanner.qml

@@ -21,7 +21,6 @@ Banner {
     buttonCallbacks: {
         "forget": function(button) {
             button.loading = true
-            chatPage.canLoadPastEvents = false
             Backend.clients.get(chatPage.userId).forgetRoom(chatPage.roomId)
             pageStack.clear()
         },

harmonyqml/components/Chat/Chat.qml

@@ -14,11 +14,17 @@ HColumnLayout {
                .roomCategories.get(category)
                .rooms.get(roomId)
 
-    property bool canLoadPastEvents: true
-
     id: chatPage
     onFocusChanged: sendBox.setFocus()
 
+   Component.onCompleted: Backend.signals.roomCategoryChanged.connect(
+        function(forUserId, forRoomId, previous, now) {
+            if (chatPage && forUserId == userId && forRoomId == roomId) {
+                chatPage.category = now
+            }
+        }
+    )
+
     RoomHeader {
         displayName: roomInfo.displayName
         topic: roomInfo.topic || ""

harmonyqml/components/Chat/RoomEventList/RoomEventList.qml

@@ -2,7 +2,6 @@ import QtQuick 2.7
 import "../../Base"
 
 HGlassRectangle {
-    property bool canLoadPastEvents: true
     property int space: 8
 
     color: HStyle.chat.roomEventList.background
@@ -29,7 +28,7 @@ HGlassRectangle {
         property real yPos: visibleArea.yPosition
 
         onYPosChanged: {
-            if (chatPage.canLoadPastEvents && yPos <= 0.1) {
+            if (chatPage.category != "Invites" && yPos <= 0.1) {
                 Backend.loadPastEvents(chatPage.roomId)
             }
         }