Alternate row colors in directory and archive list

apps/launcher/ui/datafilespage.ui

@@ -49,6 +49,9 @@
       <layout class="QGridLayout" name="dirTabLayout">
        <item row="0" column="0">
         <widget class="QListWidget" name="directoryListWidget">
+         <property name="alternatingRowColors">
+          <bool>true</bool>
+         </property>
          <property name="dragDropMode">
           <enum>QAbstractItemView::InternalMove</enum>
          </property>
@@ -173,6 +176,9 @@
       <layout class="QGridLayout" name="archiveTabLayout">
        <item row="0" column="0">
         <widget class="QListWidget" name="archiveListWidget">
+         <property name="alternatingRowColors">
+          <bool>true</bool>
+         </property>
          <property name="contextMenuPolicy">
           <enum>Qt::CustomContextMenu</enum>
          </property>