Also, the change in insert-hyperlink (from `this.linkUrl.indexOf("http") === -1` to `!this.linkUrl.startsWith("http")`) was intentional fix: we don't want to prevent users from looking up topics with http in their titles.
Adds up and down buttons next to the inputs of value lists when there is more than 1 item present. This helps to re-order the items in the value lists if necessary.