feat: 优化图库选择对话框，调整宽度和最小高度属性

src/modules/live/product/management/components/ImageDesign.vue

@@ -74,7 +74,12 @@ async function handleSubmit() {
 </script>
 
 <template>
-  <el-dialog title="图库选择" :close-on-click-modal="false" @closed="$emit('update:modelValue', false)" :width="isMobile ? '95%' : '860px'" destroy-on-close>
+  <el-dialog
+    title="图库选择"
+    :close-on-click-modal="false"
+    @closed="$emit('update:modelValue', false)"
+    :width="isMobile ? '95%' : '860px'"
+    destroy-on-close>
     <div class="image-design">
       <el-button type="primary" @click="designVisible = true" v-if="false">打开编辑器</el-button>
       <ul>
@@ -107,6 +112,7 @@ async function handleSubmit() {
   }
   li {
     width: 140px;
+    min-height: 140px;
     border-radius: 20px;
     overflow: hidden;
     cursor: pointer;