修复没有素材待加载时展示加载视图的情况

src/zeroing/game-warpper/GameStage.ts

@@ -229,6 +229,7 @@ export class GameStage extends Node {
 							groups[viewConfig.uuid] = depAssets;
 						}
 					}
+					if(Object.keys(groups).length > 0){
 						await loadAssetsGroups(groups, async () => {
 							if (showLoadingView) {
 								await this.showInnerLoadingView();
@@ -239,6 +240,7 @@ export class GameStage extends Node {
 							}
 						});
 					}
+				}
 				view = instantiate(viewConfig);
 
 				let store = {};