Exit a group when selecting a component outside it

We had this filter in place when doing mouse selection, but not when
the selection comes from another tool event.

Fixes https://gitlab.com/kicad/code/kicad/-/issues/13398

pcbnew/tools/pcb_selection_tool.cpp

@@ -2613,6 +2613,13 @@ void PCB_SELECTION_TOOL::select( EDA_ITEM* aItem )
             return;
     }
 
+    if( m_enteredGroup &&
+        !PCB_GROUP::WithinScope( static_cast<BOARD_ITEM*>( aItem ), m_enteredGroup,
+                                 m_isFootprintEditor ) )
+    {
+        ExitGroup();
+    }
+
     highlight( aItem, SELECTED, &m_selection );
 }
 

pcbnew/widgets/pcb_properties_panel.cpp

@@ -144,6 +144,9 @@ void PCB_PROPERTIES_PANEL::valueChanged( wxPropertyGridEvent& aEvent )
     PCB_SELECTION_TOOL* selectionTool = m_frame->GetToolManager()->GetTool<PCB_SELECTION_TOOL>();
     const SELECTION& selection = selectionTool->GetSelection();
     BOARD_ITEM* firstItem = static_cast<BOARD_ITEM*>( selection.Front() );
+
+    wxCHECK( firstItem, /* void */ );
+
     PROPERTY_BASE* property = m_propMgr.GetProperty( TYPE_HASH( *firstItem ),
                                                      aEvent.GetPropertyName() );
     wxVariant newValue = aEvent.GetPropertyValue();