!14872 OH5.1，新增uiContext支持PC上模应用弹框方式显示身份认证控件，新增userid支持系统应用跨用户身份认证

Merge pull request !14872 from liuhanxiong/OpenHarmony_feature_20241121

api/@ohos.userIAM.userAuth.d.ts

@@ -1262,6 +1262,16 @@ declare namespace userAuth {
      * @since 12
      */
     reuseUnlockResult?: ReuseUnlockResult;
+
+    /**
+     * The user id to authenticate.
+     *
+     * @type { ?number }
+     * @syscap SystemCapability.UserIAM.UserAuth.Core
+     * @systemapi Hide this for inner system use.
+     * @since 16
+     */
+    userId?: number;
   }
 
   /**
@@ -1324,6 +1334,17 @@ declare namespace userAuth {
      * @since 10
      */
     windowMode?: WindowModeType;
+
+    /**
+     * Display the authentication dialog in modal application mode. This mode is supported only on PC. Without this
+     * parameter or on other kind of devices, the authentication dialog would be displayed in modal system mode.
+     *
+     * @type { ?Context }
+     * @syscap SystemCapability.UserIAM.UserAuth.Core
+     * @atomicservice
+     * @since 16
+     */
+    uiContext?: Context;
   }
 
   /**