Change enabling shortest for inner walls strategy

CURA-12164
With or without "Optimize Wall Printing Order", it remains valid to have
the "shortest" seam strategy for inner walls. It may not work in some
situations, but will do its best and should actually work in all common
cases.

src/InsetOrderOptimizer.cpp

@@ -95,7 +95,7 @@ bool InsetOrderOptimizer::addToLayer()
     const bool current_extruder_is_wall_x = wall_x_extruder_nr_ == extruder_nr_;
 
     const bool reverse = shouldReversePath(use_one_extruder, current_extruder_is_wall_x, outer_to_inner);
-    const bool use_shortest_for_inner_walls = ! pack_by_inset && outer_to_inner;
+    const bool use_shortest_for_inner_walls = outer_to_inner;
     auto walls_to_be_added = getWallsToBeAdded(reverse, use_one_extruder);
 
     const auto order = pack_by_inset ? getInsetOrder(walls_to_be_added, outer_to_inner) : getRegionOrder(walls_to_be_added, outer_to_inner);