Improve the Formula Wizard dialog. Set a pointing hand cursor for variables

table.

--HG--
branch : develop

src/libs/vtools/dialogs/support/dialogeditwrongformula.ui

@@ -380,6 +380,9 @@
            <height>0</height>
           </size>
          </property>
+         <property name="cursor" stdset="0">
+          <cursorShape>PointingHandCursor</cursorShape>
+         </property>
          <column>
           <property name="text">
            <string>Name</string>