toggle all column visibilities
Adding ability in the Spreadsheet view's column visibility menu to show/hide all columns.
Fixes #19021 (closed).
A GitLab update will be applied on May 9th, between 8am and 10am, EDT (UTC-04:00). This site may have intermittent delays during that time.
Adding ability in the Spreadsheet view's column visibility menu to show/hide all columns.
Fixes #19021 (closed).