Use view background color for SpaceDrawer

src/qml/Page/RoomList/Page.qml

@@ -96,7 +96,7 @@ Kirigami.Page {
 
     RowLayout {
         anchors.fill: parent
-        spacing: 1
+        spacing: 0
 
         NeoChat.SpaceDrawer {
             id: spaceDrawer
@@ -104,6 +104,11 @@ Kirigami.Page {
             Layout.fillHeight: true
         }
 
+        Kirigami.Separator {
+            Layout.fillHeight: true
+            Layout.preferredWidth: 1
+        }
+
         QQC2.ScrollView {
             id: scrollView
             Layout.fillWidth: true

src/qml/Page/RoomList/SpaceDrawer.qml

@@ -41,6 +41,11 @@ QQC2.Control {
                 QQC2.ScrollBar.horizontal.policy: QQC2.ScrollBar.AlwaysOff
                 contentWidth: -1 // disable horizontal scroll
 
+                background: Rectangle {
+                    color: Kirigami.Theme.backgroundColor
+                    Kirigami.Theme.colorSet: Kirigami.Theme.View
+                }
+
                 ColumnLayout {
                     id: column
                     width: scrollView.width