Remove Unread Count

Unread count is deprecated and notification count should be used in all cases. As such remove unreadCount and use notification count in all places it was being used.

Fixes network/neochat#76 \
BUG: 466515

src/qml/Page/RoomList/RoomDelegate.qml

@@ -17,7 +17,6 @@ Kirigami.BasicListItem {
     id: root
 
     required property int index
-    required property int unreadCount
     required property int notificationCount
     required property int highlightCount
     required property var currentRoom
@@ -28,7 +27,7 @@ Kirigami.BasicListItem {
 
     required property string name
 
-    readonly property bool hasUnread: unreadCount > 0
+    readonly property bool hasNotifications: notificationCount > 0
 
     topPadding: Kirigami.Units.largeSpacing
     bottomPadding: Kirigami.Units.largeSpacing
@@ -37,7 +36,7 @@ Kirigami.BasicListItem {
     highlighted: ListView.view.currentIndex === index
     focus: true
     icon: undefined
-    bold: root.unreadCount > 0
+    bold: root.hasNotifications
 
     label: root.name ?? ""
     labelItem.textFormat: Text.PlainText
@@ -77,14 +76,14 @@ Kirigami.BasicListItem {
             enabled: false
             implicitWidth: Kirigami.Units.iconSizes.smallMedium
             implicitHeight: Kirigami.Units.iconSizes.smallMedium
-            visible: currentRoom.pushNotificationState === PushNotificationState.Mute && !configButton.visible && unreadCount <= 0
+            visible: currentRoom.pushNotificationState === PushNotificationState.Mute && !configButton.visible && !hasNotifications
             Accessible.name: i18n("Muted room")
             Layout.rightMargin: Kirigami.Units.smallSpacing
         }
         QQC2.Label {
             id: notificationCountLabel
-            text: notificationCount > 0 ? notificationCount : "●"
-            visible: unreadCount > 0
+            text: notificationCount
+            visible: hasNotifications
             color: Kirigami.Theme.textColor
             horizontalAlignment: Text.AlignHCenter
             background: Rectangle {