title: Particles/Standard unlit behaving differently in different scenes
body: <p><a href="https://i.stack.imgur.com/iazc8.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/iazc8.png" alt="enter image description here"></a></p>
  
  <p>in scene 1 it is correct, but when I am using this prefab in scene 2 it shows white flash, though all values are same in shader.</p>