UI: add history tool-buttons

Buttons to sort history entry

Refs #73116

Change-Id: Iab4f35c403a0445c0a257c58f1dc9d0c170060f5
diff --git a/mainbar.ui b/mainbar.ui
index a4ce0e5..f33998b 100644
--- a/mainbar.ui
+++ b/mainbar.ui
@@ -532,6 +532,9 @@
          <height>50</height>
         </size>
        </property>
+       <property name="clearButtonEnabled">
+        <bool>true</bool>
+       </property>
       </widget>
      </item>
      <item>