refactor(server): improve oauth login flow (#10648)

close CLOUD-145

tools/@types/build-config/__all.d.ts

@@ -12,6 +12,10 @@ declare interface BUILD_CONFIG_TYPE {
 
   isElectron: boolean;
   isWeb: boolean;
+  /**
+   * 'desktop' | 'ios' | 'android'
+   */
+  isNative: boolean;
   isMobileWeb: boolean;
   isIOS: boolean;
   isAndroid: boolean;
@@ -30,4 +34,4 @@ declare interface BUILD_CONFIG_TYPE {
   linkPreviewUrl: string;
 }
 
-declare var BUILD_CONFIG: BUILD_CONFIG_TYPE;
+declare var BUILD_CONFIG: BUILD_CONFIG_TYPE;