Make sure child items get edit flags cleared in commit.

In the footprint editor, in particular, we often just
add the parent footprint to the commit rather than the
actual modified item(s).

Fixes https://gitlab.com/kicad/code/kicad/-/issues/16389

pcbnew/board_commit.cpp

@@ -451,6 +451,11 @@ void BOARD_COMMIT::Push( const wxString& aMessage, int aCommitFlags )
         }
 
         boardItem->ClearEditFlags();
+        boardItem->RunOnDescendants(
+                [&]( BOARD_ITEM* item )
+                {
+                    item->ClearEditFlags();
+                } );
     }
 
     if( bulkAddedItems.size() > 0 )