[ClavaWeaver] Adds dfg action to actionModel.xml
<action name="cfg" class="scope" tooltip="CFG tester" />
+ <action name="dfg" class="scope" tooltip="DFG tester" />
<!-- FUNCTION -->
<action name="clone" class="function" return="function" tooltip="Clones this function assigning it a new name, inserts the cloned function after the original function">
