core/assets: force restart of animator when animation name have changed

imperium-porcorum.love/core/modules/assets/animator.lua

@@ -74,6 +74,13 @@ function Animator:draw(x, y, r, sx, sy, ox, oy, kx, ky)
 end
 
 function Animator:changeAnimation(name, restart)
+  -- Force restart if animation name is different
+  if (self.currentAnimation ~= name) then
+    restart = true
+  else
+    restart = restart or false
+  end
+
   self.currentAnimation   = name
   self.animationData      = self.sprite.data.animations[self.currentAnimation]