Translating managing state

Co-authored-by: Ahmed Abdelbaset <A7med3bdulBaset@gmail.com>

Author: Rumbustious

src/sidebarLearn.json

@@ -125,7 +125,7 @@
       ]
     },
     {
-      "title": "التحكم في الحالة",
+      "title": "إدارة الحالة",
       "path": "/learn/managing-state",
       "tags": ["intermediate"],
       "routes": [