[Feature Request] el-table组件在列数很多的情况下，是否能添加筛选列显示隐藏的功能（el-table component in the case of a large number of columns, can you add the filter columns to show the hidden function）

### Existing Component
是

### Component Name
el-table

### Description
el-table组件在列数很多(十几个以上)的情况下，是否能添加筛选列显示隐藏的功能，有默认显示的列，然后可以多选，反选，全选，之后确认后，table展示所选的列（el-table component in the case of a large number of columns (more than a dozen), whether you can add filtering columns to display the hidden function, there is a default display of columns, and then you can multi-select, inverse selection, select all, and then confirm that the table to display the selected columns）