[feat-706] show DepotDownloader missing executable error

src/shared/models/bs-version-download/depot-downloader.model.ts

@@ -2,7 +2,6 @@ export enum DepotDownloaderEventType {
     Error = "Error",
     Warning = "Warning",
     Info = "Info",
-    
 }
 
 export interface DepotDownloaderEvent<T = unknown> {
@@ -27,6 +26,8 @@ export enum DepotDownloaderInfoEvent {
 }
 
 export enum DepotDownloaderErrorEvent {
+    ExeNotFoundWindows = "ExeNotFoundWindows",
+    ExeNotFoundLinux = "ExeNotFoundLinux",
     Password = "Password",
     InvalidCredentials = "InvalidCredentials",
     NoManifest = "NoManifest",
@@ -66,4 +67,4 @@ export interface DepotDownloaderArgsOptions {
     dir: string,
     validate?: boolean,
     qr?: boolean,
-}
+}