patcher: Add back support for discord_arch_electron

src/patcher.ts

@@ -28,8 +28,12 @@ console.log("[Vencord] Starting up...");
 
 // Our injector file at app/index.js
 const injectorPath = require.main!.filename;
+
+// special discord_arch_electron injection method
+const asarName = injectorPath.endsWith("app.asar/index.js") ? "_app.asar" : "app.asar";
+
 // The original app.asar
-const asarPath = join(dirname(injectorPath), "..", "app.asar");
+const asarPath = join(dirname(injectorPath), "..", asarName);
 
 const discordPkg = require(join(asarPath, "package.json"));
 require.main!.filename = join(asarPath, discordPkg.main);