@GetMapping("/all/{namespaceId}")
    public ShenyuAdminResult queryAllNamespacePlugins(@Existed(message = "namespace is not existed", provider = NamespaceMapper.class)
                                             @PathVariable("namespaceId") final String namespaceId) {
        List<PluginData> pluginDataList = namespacePluginService.listAll(namespaceId);
        return ShenyuAdminResult.success(ShenyuResultMessage.QUERY_SUCCESS, pluginDataList);
    }
query all plugins of namespace.

@param namespaceId  namespace id.
@return {@linkplain ShenyuAdminResult}
shenyu-admin/src/main/java/org/apache/shenyu/admin/controller/NamespacePluginController.java