fix #IJ3ZK GetSelction空格时返回None

src/Add-on/Trim.ts

@@ -35,7 +35,7 @@ export class Command_Trim implements Command
         {
             //选择裁剪的对象.
             let trSsRes = await app.m_Editor.GetSelection({ Msg: "请选择被切割对象:", Once: true });
-            if (trSsRes.Status === PromptStatus.Cancel)
+            if (trSsRes.Status === PromptStatus.Cancel || trSsRes.Status === PromptStatus.None)
                 return;
             if (!trSsRes.SelectSet)
                 continue;

src/Editor/GetSelectionServices.ts

@@ -52,7 +52,7 @@ export class SsgetServiecs
                         case PromptStatus.Other://结束 (右键),或者(空格).  
                             {
                                 //结束并且确认选择
-                                this.ReturnOk();
+                                this.Return({ Status: PromptStatus.None, SelectSet: this.m_Editor.m_SelectCtrl.SelectSet });
                                 return;
                             }
                         case PromptStatus.OK: