Center the icon together with the name

BUG: 384916

discover/qml/ApplicationPage.qml

@@ -94,7 +94,7 @@ DiscoverPage {
             contentItem: Item {
                 RowLayout {
                     anchors.fill: parent
-                    spacing: 0
+                    spacing: Kirigami.Units.largeSpacing
 
                     ToolButton {
                         iconName: "draw-arrow-back"
@@ -102,6 +102,9 @@ DiscoverPage {
                         enabled: appInfo.sClose.enabled
                         onClicked: appInfo.sClose.activated()
                     }
+                    Item {
+                        Layout.fillWidth: true
+                    }
                     Kirigami.Icon {
                         Layout.preferredHeight: Kirigami.Units.gridUnit * 2
                         Layout.preferredWidth: Kirigami.Units.gridUnit * 2
@@ -113,10 +116,12 @@ DiscoverPage {
                         level: 3
                         text: appInfo.application.name
                         maximumLineCount: 1
-                        Layout.fillWidth: true
                         elide: Text.ElideRight
                         horizontalAlignment: Text.AlignHCenter
                     }
+                    Item {
+                        Layout.fillWidth: true
+                    }
 
                     InstallApplicationButton {
                         application: appInfo.application