Refactor animation delays in seasonal effects for improved performance and consistency [skip ci]

Jellyfin.Plugin.Seasonals/Web/autumn.js

@@ -91,6 +91,8 @@ function initLeaves(count) {
     // set random horizontal position, animation delay and size(uncomment lines to enable) 
     const randomLeft = Math.random() * 100; // position (0% to 100%)
     const randomAnimationDelay = Math.random() * 12; // delay for fall (0s to 12s)
+    // Display directly symbols on full screen (below) or let it build up (above)
+    // const randomAnimationDelay = -(Math.random() * 16); // delay for fall (-16s to 0s)
     const randomAnimationDelay2 = -(Math.random() * 4); // delay for shake+rotate (-4s to 0s)
 
     // apply styles