Refactor seasonal scripts to enhance mobile detection using matchMedia for responsive behavior

Jellyfin.Plugin.Seasonals/Web/cherryblossom.js

@@ -84,8 +84,8 @@ function initObjects(count) {
 function initializeCherryBlossom() {
     if (!cherryBlossom) return;
 
-    const screenWidth = window.innerWidth;
-    const count = screenWidth > 768 ? petalCount : petalCountMobile;
+    const isMobile = window.matchMedia("only screen and (max-width: 768px)").matches;
+    const count = !isMobile ? petalCount : petalCountMobile;
 
     initObjects(count);
     toggleCherryBlossom();