feat(components): 添加搜索弹窗组件并优化弹窗插件

添加了新的 search-popup 组件，包含完整的搜索和筛选功能，
支持扫码、输入搜索、自定义插槽等特性。同时优化了 popup-plugin
组件的代码结构，移除了调试日志并改进了模板格式。

miniprogram/pages/components/search-popup/search-popup.ts

@@ -0,0 +1,79 @@
+Component({
+  options: { multipleSlots: true },
+  /**
+   * 组件的属性列表
+   */
+  properties: {
+    useFooterSlot: {
+      type: Boolean,
+    },
+    dataKey: {
+      type: String,
+    },
+    placeholder: {
+      type: String,
+    },
+    value: null,
+    hideMore: {
+      type: Boolean,
+    },
+    hideInput: {
+      type: Boolean,
+    },
+    customStyle: {
+      type: String,
+      value: "",
+    },
+    useInputSlot: {
+      type: Boolean,
+    },
+  },
+
+  /**
+   * 组件的初始数据
+   */
+  data: {
+    show: false,
+  },
+
+  /**
+   * 组件的方法列表
+   */
+  methods: {
+    showSearch() {
+      this.setData({ show: true });
+      this.triggerEvent("showChange", true);
+    },
+    close() {
+      this.setData({ show: false });
+      this.triggerEvent("showChange", false);
+    },
+    ok() {
+      this.setData({ show: false });
+      this.triggerEvent("showChange", false);
+      this.triggerEvent("ok");
+    },
+    change(e: any) {
+      this.triggerEvent("change", e.detail);
+    },
+    scanCode() {
+      const _this = this;
+      wx.scanCode({
+        onlyFromCamera: true,
+        scanType: ["qrCode"],
+        success: (res) => {
+          const qrcode = res.result || "";
+          _this.triggerEvent("change", { value: qrcode });
+          _this.triggerEvent("ok");
+        },
+      });
+    },
+    search() {
+      this.triggerEvent("ok");
+    },
+    clear() {
+      this.triggerEvent("change", { value: "" });
+      this.triggerEvent("ok");
+    },
+  },
+});