Content/UIAssets/MapEnvironments/Prop/WBP_MapEnvironmentSelectPropPopupView

搜索逻辑：
```c++
    private ChangeSource(source: number/**@cpp:int*/): void {

        this.curSelect = null;

        MapEnvironmentSetting.SelectPropType = source;

        this.widget.List.ClearListItems();
        this.widget.List.BP_ClearSelection();
        this.widget.Effect.SetVisibility((source == UE.EScenePropType.Item || source == UE.EScenePropType.LiveLink)? UE.ESlateVisibility.Visible: UE.ESlateVisibility.Collapsed);

        let colorNormal = new UE.LinearColor(0, 0, 0, 0);
        let colorSelect = new UE.LinearColor(73/255, 73/255, 73/255, 1);
        for (let index = 0; index < this.btnBgs.Num(); index++) {
            const element = this.btnBgs.GetRef(index);
            element.SetBrushColor(index == source? colorSelect: colorNormal);
        }

        if (this.manager == null) {
            return
        }

        let search =this.widget.SearchBox.GetText();

        let assets = this.manager.AssetManager.AllScenePropAssetList
        for (let index = 0; index < assets.Num(); index++) {
            const element = assets.GetRef(index);
            if (element.PropType === source) {
                if (search === "" || element.DisplayName.includes(search)) {
                    this.widget.List.AddItem(element);
                }
            }
        }
    }
```


- WBP_AreaSelectPopupView
	- WBP_MapEnvironmentSingleSelectItemView

```c++
    private SetSelectLevel(levelData: UE.MapEnvironmentLevelItem): void {

        this.curSelectLevelName = levelData.LevelData.LevelName;
        this.curSelectAreaName = "";
        this.curSelectAreaGuid = new UE.Guid();
        this.bAreaIsDynamic = false;

        this.widget.AreaList.ClearListItems();
        this.widget.AreaList.BP_ClearSelection();

        let areas = levelData.LevelData.Areas;

        // let selectIdx = -1;
        for (let i = 0; i < areas.Num(); i++) {
            const area = areas.GetRef(i);
            
            let data = new UE.MapEnvironmentAreaItem();
            data.AreaData = area;

            this.widget.AreaList.AddItem(data);
            // if (DirectorCamUtil.IsGuidEqual(area.UUID, this.curSelectAreaGuid)) {
            //     selectIdx = i;
            // }
        }

        // if (selectIdx >= 0) {
        //     this.widget.AreaList.SetSelectedIndex(selectIdx);
        // }

        this.RefreshDynamicBtn();
    }
```