fix pause default value in add download link by url
fix pause default value in add download link by url

kuoruan/webui-aria2,slime7/webui-aria2,maxgiro96/webui-aria2,ghostry/webui-aria2,ziahamza/webui-aria2,kuoruan/webui-aria2,slime7/webui-aria2,ziahamza/webui-aria2,ghostry/webui-aria2,maxgiro96/webui-aria2