Rework models hierarchy, room categories models

harmonyqml/components/Chat/RoomEventList/Daybreak.qml

@@ -1,7 +1,7 @@
 import QtQuick 2.7
 import "../../Base"
 
-HNoticeLabel {
+HNoticePage {
     text: dateTime.toLocaleDateString()
     color: HStyle.chat.daybreak.foreground
     backgroundColor: HStyle.chat.daybreak.background

harmonyqml/components/Chat/RoomEventList/RoomEventList.qml

@@ -1,5 +1,4 @@
 import QtQuick 2.7
-import QtQuick.Layouts 1.3
 import "../../Base"
 
 HGlassRectangle {
@@ -8,9 +7,6 @@ HGlassRectangle {
 
     color: HStyle.chat.roomEventList.background
 
-    Layout.fillWidth: true
-    Layout.fillHeight: true
-
     ListView {
         id: roomEventListView
         delegate: RoomEventDelegate {}
@@ -20,7 +16,6 @@ HGlassRectangle {
         anchors.leftMargin: space
         anchors.rightMargin: space
 
-        clip: true
         topMargin: space
         bottomMargin: space
         verticalLayoutDirection: ListView.BottomToTop
@@ -39,10 +34,10 @@ HGlassRectangle {
         }
     }
 
-    HNoticeLabel {
+    HNoticePage {
         text: qsTr("Nothing to show here yet...")
 
         visible: roomEventListView.model.count < 1
-        anchors.centerIn: parent
+        anchors.fill: parent
     }
 }