Refactor based on better implementation

src/qml/RoomDelegate.qml

@@ -13,7 +13,7 @@ import org.kde.kitemmodels
 
 import org.kde.neochat
 
-Delegates.RoundedItemDelegate {
+QQC2.ItemDelegate {
     id: root
 
     required property int index
@@ -45,6 +45,14 @@ Delegates.RoundedItemDelegate {
     Keys.onEnterPressed: clicked()
     Keys.onReturnPressed: clicked()
 
+    leftInset: horizontalPadding / 2
+    rightInset: horizontalPadding / 2
+    // We want total spacing between consecutive list items to be
+    // verticalPadding. So use half that as top/bottom margin, separately
+    // ceiling/flooring them so that the total spacing is preserved.
+    topInset: Math.ceil(verticalPadding / 2)
+    bottomInset: Math.ceil(verticalPadding / 2)
+
     TapHandler {
         acceptedButtons: Qt.RightButton
         onTapped: (eventPoint, button) => root.createRoomListContextMenu()

src/qml/RoomListPage.qml

@@ -131,6 +131,7 @@ Kirigami.Page {
                 id: treeView
                 topMargin: Math.round(Kirigami.Units.smallSpacing / 2)
 
+                alternatingRows: false
                 clip: true
                 reuseItems: false