Make Wallpaper Selector scrollable

Modules/Settings/Tabs/WallpaperSelector.qml

@@ -13,9 +13,17 @@ Item {
   Layout.fillWidth: true
   Layout.fillHeight: true
 
-  ColumnLayout {
+  ScrollView {
     anchors.fill: parent
+    clip: true
+    ScrollBar.vertical.policy: ScrollBar.AsNeeded
+    ScrollBar.horizontal.policy: ScrollBar.AsNeeded
+    contentWidth: parent.width
+
+    ColumnLayout {
+      width: parent.width
       spacing: Style.marginMedium * scaling
+      Layout.fillWidth: true
 
       NText {
         text: "Wallpaper Selector"
@@ -132,7 +140,7 @@ Item {
       // Wallpaper grid container
       Item {
         Layout.fillWidth: true
-      Layout.fillHeight: true
+        Layout.preferredHeight: 400 * scaling
 
         FolderListModel {
           id: folderModel
@@ -268,3 +276,4 @@ Item {
       }
     }
   }
+}