竞争对手下拉框数据接口补充模糊匹配参数查询，并最多返回30条数据(参数改非必填)

yudao-module-customer/yudao-module-customer-rest/src/main/java/cn/iocoder/yudao/module/customer/controller/admin/customerCompetitor/CustomerCompetitorController.java

@@ -77,7 +77,7 @@ public class CustomerCompetitorController {
     @ApiOperation("获得所有客户竞争对手列表")
     @ApiImplicitParam(name = "searchKey", value = "关键字", required = false, dataTypeClass = String.class)
     // @PreAuthorize("@ss.hasPermission('customer:competitor:query')")
-    public CommonResult<List<CustomerCompetitorBackVO>> getCompetitorListAll(@RequestParam("searchKey") String searchKey) {
+    public CommonResult<List<CustomerCompetitorBackVO>> getCompetitorListAll(@RequestParam(value = "searchKey", required = false) String searchKey) {
         List<CustomerCompetitorDO> list = competitorService.getCompetitorListBySearchKey(searchKey);
         return success(CustomerCompetitorConvert.INSTANCE.convertList(list));
     }