fix(shoppingTrolley): 修复购物车切换分类后页面初始化问题

- 在切换票种分类后，重置当前选中的票种
- 优化 z-tabs 组件，确保切换分类时正确更新视图

pages/shoppingTrolley/shoppingTrolley.vue

@@ -202,6 +202,7 @@
 						this.getTicketSortList()
 						this.$refs.paging.reload(true)
 						this.current = 0
+						this.ticketsort = null
 						this.$refs.zTab.updateSubviewLayout()
 					}
 				}

uni_modules/z-tabs/components/z-tabs/z-tabs.vue

@@ -296,7 +296,8 @@
 				handler(newVal) {
 					this._handleListChange(newVal);
 				},
-				immediate: false
+				immediate: false,
+				deep:true
 			},
 			bottomDotX(newVal) {
 				if(newVal >= 0){
@@ -555,6 +556,8 @@
 						// #ifdef MP-BAIDU
 						delayTime = 100;
 						// #endif
+						console.log(this.currentIndex);
+						this.currentIndex = 0
 						setTimeout(async()=>{
 							for(let i = 0;i < newVal.length;i++){
 								const nodeRes = await this._getNodeClientRect(`#z-tabs-item-${i}`,true);
@@ -571,7 +574,8 @@
 								}
 							}
 							this.itemNodeInfos = itemNodeInfos;
-							this.tabsContainerWidth = tabsContainerWidth;
+							// this.tabsContainerWidth =tainerWidth;
+
 							this._updateDotPosition(this.currentIndex);
 						},delayTime)
 					}