refactor(entities): unifica loader d'animacio via AnimationComponent::fromYaml i elimina fps:

data/entities/sarcophagus/sarcophagus.yaml

@@ -19,9 +19,9 @@ flags:
   collides: true
   interactable: true
 animations:
-  closed:  { frames: [0], fps: 1, loop: true }
-  opening: { frames: [1, 2], fps: 6, loop: false }
-  open:    { frames: [3], fps: 1, loop: true }
+  closed:  { frames: [0], frame_ms: 1000, loop: true }
+  opening: { frames: [1, 2], frame_ms: 167, loop: false }
+  open:    { frames: [3], frame_ms: 1000, loop: true }
 behaviour:
   states: [CLOSED, OPENING, OPEN]
   initial_state: CLOSED