Let flyers path over water and lava everywhere

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

src/traps.rs

@@ -263,7 +263,7 @@ impl Game {
             CRATED => {
                 if cur != crate_tile {
                     if e.path.is_empty() {
-                        match self.map.path_to(cur, crate_tile) {
+                        match self.map.creature_path(flies(e.kind), cur, crate_tile) {
                             Some(p) => e.path = p,
                             None => {
                                 self.traps[k].carrier = 0;
@@ -279,7 +279,7 @@ impl Game {
             CARRIED => {
                 if cur != tile {
                     if e.path.is_empty() {
-                        match self.map.path_to(cur, tile) {
+                        match self.map.creature_path(flies(e.kind), cur, tile) {
                             Some(p) => e.path = p,
                             None => {
                                 // no way there: the crate goes back into the forge