Checkbox for sub index was missing tooltip text

Author: serialc

src/ui/qgsdelimitedtextsourceselectbase.ui

@@ -594,13 +594,13 @@
        </item>
        <item>
         <widget class="QCheckBox" name="cbxSubsetIndex">
-         <property name="statusTip">
+         <property name="toolTip">
           <string>Use an index to improve performance of subset filters (set in layer properties)</string>
          </property>
-         <property name="whatsThis">
+         <property name="statusTip">
           <string>Use an index to improve performance of subset filters (set in layer properties)</string>
          </property>
-         <property name="accessibleName">
+         <property name="whatsThis">
           <string>Use an index to improve performance of subset filters (set in layer properties)</string>
          </property>
          <property name="text">