Catch default autowire case

Since we are dereferencing the optional, we need to ensure it exists in
all cases

Fixes https://gitlab.com/kicad/code/kicad/issues/10394

(cherry picked from commit 56d87a8613)

eeschema/tools/ee_selection_tool.cpp

@@ -405,6 +405,10 @@ int EE_SELECTION_TOOL::Main( const TOOL_EVENT& aEvent )
                         {
                             newEvt = EE_ACTIONS::drawLines.MakeEvent();
                         }
+                        else
+                        {
+                            newEvt = EE_ACTIONS::drawLines.MakeEvent();
+                        }
 
                         auto* params = newEvt->Parameter<DRAW_SEGMENT_EVENT_PARAMS*>();
                         auto* newParams = new DRAW_SEGMENT_EVENT_PARAMS();