fdo#82272 - New 'Chart' toolbar icon

Change-Id: If1c5ec13bc145f2cd71c0d87bf81fb2f170a8294
Reviewed-on: https://gerrit.libreoffice.org/12112
Reviewed-by: Matthew Francis <mjay.francis@gmail.com>
Tested-by: Matthew Francis <mjay.francis@gmail.com>