fix: forces immediate animation start in order to avoid 'flashing' or delayed start

addons/escoria-core/game/core-scripts/esc_animation_player.gd

@@ -95,7 +95,9 @@ func play(name: String, backwards: bool = false):
 		_animation_player.seek(0)
 	elif not _is_animation_player:
 		_animated_sprite.frame = 0
+
 	_current_animation = name
+
 	if backwards and _is_animation_player:
 		_animation_player.play_backwards(name)
 	elif backwards:
@@ -103,6 +105,10 @@ func play(name: String, backwards: bool = false):
 	else:
 		_player_node.play(name)
 
+		# Instead of waiting for the next frame, start the animation now.
+		if _is_animation_player:
+			_player_node.advance(0)
+
 
 # Play the given animation backwards
 #