fix: prevent adding shortcuts for Steam games and DLCs

Author: flavioislima

src/backend/shortcuts/nonesteamgame/nonesteamgame.ts

@@ -217,6 +217,10 @@ async function addNonSteamGame(props: {
   bkgDataUrl?: string
   bigPicDataUrl?: string
 }): Promise<boolean> {
+  if (props.gameInfo.install.is_dlc || props.gameInfo.runner === 'steam') {
+    return false
+  }
+
   const steamUserdataDir =
     props.steamUserdataDir || (await getSteamUserdataDir())
 

src/backend/shortcuts/shortcuts/shortcuts.ts

@@ -29,7 +29,7 @@ import * as GogLibraryManager from '../../storeManagers/gog/library'
  * @public
  */
 async function addShortcuts(gameInfo: GameInfo, fromMenu?: boolean) {
-  if (gameInfo.install.is_dlc) {
+  if (gameInfo.install.is_dlc || gameInfo.runner === 'steam') {
     return
   }
   logInfo(`Adding shortcuts for ${gameInfo.title}`, LogPrefix.Backend)