remove extra api for changing theme

backend/go-app/main.go

@@ -5103,7 +5103,6 @@ func initHandlers() {
 	r.HandleFunc("/api/v1/users/{key}/get2fa", shuffle.HandleGet2fa).Methods("GET", "OPTIONS")
 	r.HandleFunc("/api/v1/users/{key}/set2fa", shuffle.HandleSet2fa).Methods("POST", "OPTIONS")
 	r.HandleFunc("/api/v1/users", shuffle.HandleGetUsers).Methods("GET", "OPTIONS")
-	r.HandleFunc("/api/v1/users/{userid}/theme", shuffle.HandleSetUserTheme).Methods("POST", "OPTIONS")
 
 	// General - duplicates and old.
 	r.HandleFunc("/api/v1/getusers", shuffle.HandleGetUsers).Methods("GET", "OPTIONS")

frontend/src/components/LeftSideBar.jsx

@@ -450,15 +450,16 @@ const LeftSideBar = ({ userdata, serverside, globalUrl, notifications, }) => {
   };
 
   const handleUpdateTheme = (newTheme) => {
-    
+
     const data = {
+      "user_id": userdata?.id,
       "theme": newTheme,
     }
 
-    const url = globalUrl + `/api/v1/users/${userdata?.id}/theme`;
+    const url = globalUrl + `/api/v1/users/updateuser`;
     fetch(url, {
       mode: "cors",
-      method: "POST",
+      method: "PUT",
       body: JSON.stringify(data),
       credentials: "include",
       crossDomain: true,