feat(国家选择页): 取消上方的确认按钮，选择国家直接默认确认

src/views/map.vue

@@ -4,11 +4,11 @@
       <div>
         <!-- 顶部 -->
         <MobileHeader title="Country&Region">
-          <template v-slot:extraFunction>
+          <!-- <template v-slot:extraFunction>
             <div style="display: flex; justify-content: center; align-items: center; width: 10%">
               <img src="../assets/icon/selected.png" alt="" style="width: 100%" @click="confirm" />
             </div>
-          </template>
+          </template> -->
         </MobileHeader>
       </div>
 
@@ -96,6 +96,7 @@ const selectC = (gIndex, cIndex, country) => {
   groupIndex.value = gIndex
   countryIndex.value = cIndex
   selectedCountry.value = country
+  confirm()
 }
 
 // 初始化首字母分组