gui: mainwindow: Default to index everything

gui/mainwindow.ui

@@ -421,16 +421,22 @@
              <property name="text">
               <string>Index everything (metadata + file content)</string>
              </property>
+             <property name="checked">
+              <bool>true</bool>
+             </property>
             </widget>
            </item>
            <item>
             <widget class="QCheckBox" name="chkFillContentForContentless">
              <property name="enabled">
-              <bool>false</bool>
+              <bool>true</bool>
              </property>
              <property name="text">
               <string>Index content for files previously indexed without content</string>
              </property>
+             <property name="checked">
+              <bool>false</bool>
+             </property>
             </widget>
            </item>
            <item>