fix: 移除重复的搜索条件检查并修复搜索查询逻辑

src/queries/sql/getValues.ts

@@ -83,10 +83,6 @@ async function clickhouseQuery(websiteId: string, column: string, filters: Query
     excludeDomain = `and referrer_domain != hostname and referrer_domain != ''`;
   }
 
-  if (search) {
-    searchQuery = `and positionCaseInsensitive(${column}, {search:String}) > 0`;
-  }
-
   if (search) {
     if (decodeURIComponent(search).includes(',')) {
       searchQuery = `AND (${decodeURIComponent(search)