created a spinner for open anime

frontend/src/GlobalVariablesAndHelperFunctions.svelte

@@ -46,8 +46,8 @@
     malLoggedIn.subscribe(value => isMalLoggedIn = value)
 
 
-    export function GetAniListSingleItemAndOpenModal(aniId: number, login: boolean): void {
-        GetAniListItem(aniId, login).then(aniListResult => {
+    export async function GetAniListSingleItemAndOpenModal(aniId: number, login: boolean): Promise<""> {
+        await GetAniListItem(aniId, login).then(aniListResult => {
             aniListAnime = aniListResult
             title.set(aniListAnime.data.MediaList.media.title.english === "" ?
                 aniListAnime.data.MediaList.media.title.romaji :
@@ -57,11 +57,14 @@
                     console.log(malResult)
                     malAnime.set(malResult)
                     anilistModal.set(true)
+                    return ""
                 })
             } else {
                 anilistModal.set(true)
+                return ""
             }
         })
+        return ""
     }
 
     export function loginToSimkl(): void {