Make sure a collector has a guide before handing it to a client filter.

Fixes https://gitlab.com/kicad/code/kicad/issues/12460

pcbnew/tools/pcb_selection_tool.cpp

@@ -549,8 +549,11 @@ PCB_SELECTION& PCB_SELECTION_TOOL::RequestSelection( CLIENT_SELECTION_FILTER aCl
         enum DISPOSITION { BEFORE = 1, AFTER, BOTH };
 
         std::map<EDA_ITEM*, DISPOSITION> itemDispositions;
+        GENERAL_COLLECTORS_GUIDE         guide = getCollectorsGuide();
         GENERAL_COLLECTOR                collector;
 
+        collector.SetGuide( &guide );
+
         for( EDA_ITEM* item : m_selection )
         {
             collector.Append( item );