小知识积累 -- el-color-picker颜色选择器颜色修

功能是：选择颜色来控制表格配置的颜色

修改样式
.el-color-picker{  height: 22px;  border-radius: 50px;}

.el-color-picker__trigger{  border:none;  width: 20px;  height: 20px;}

.el-color-picker__color{  border:none;}

.el-color-picker__color-inner{  border-radius: 50px;}