eslint-plugin-vue has a rule to enforce a style for v-slot directives, either "short" like #name or "long like v-slot:name. In order to be consistent with the rest of our style choices, we should enforce using the long form. Currently, the recommended config raises warnings for the long form and enforces the short form, so it does not raise alarms but every time we run eslint --fix, it changes the slots to the short form.