PCB: fix stale ratsnest between moves in Move Individually

pcbnew/tools/edit_tool.cpp

@@ -2545,6 +2545,14 @@ int EDIT_TOOL::cutToClipboard( const TOOL_EVENT& aEvent )
 }
 
 
+void EDIT_TOOL::rebuildConnectivity()
+{
+    board()->BuildConnectivity();
+    m_toolMgr->PostEvent( EVENTS::ConnectivityChangedEvent );
+    canvas()->RedrawRatsnest();
+}
+
+
 void EDIT_TOOL::setTransitions()
 {
     Go( &EDIT_TOOL::GetAndPlace,           PCB_ACTIONS::getAndPlace.MakeEvent() );

pcbnew/tools/edit_tool.h

@@ -200,6 +200,9 @@ private:
     bool pickReferencePoint( const wxString& aTooltip, const wxString& aSuccessMessage,
                              const wxString& aCanceledMessage, VECTOR2I& aReferencePoint );
 
+    ///< Rebuilds the ratsnest for operations that require it outside the commit rebuild
+    void rebuildConnectivity();
+
 private:
     PCB_SELECTION_TOOL*           m_selectionTool;
     std::unique_ptr<BOARD_COMMIT> m_commit;

pcbnew/tools/edit_tool_move_fct.cpp

@@ -742,6 +742,8 @@ int EDIT_TOOL::doMoveSelection( const TOOL_EVENT& aEvent )
                 if( isSkip )
                     orig_items[itemIdx]->SetPosition( originalPos );
 
+                rebuildConnectivity();
+
                 if( ++itemIdx < orig_items.size() )
                 {
                     m_selectionTool->ClearSelection();