Amend link to license in track detail page

changes/changelog.d/913.bugfix

+Fix missing license information on track details page (#913)
\ No newline at end of file

front/src/components/library/TrackDetail.vue

@@ -116,7 +116,7 @@ export default {
   methods: {
     fetchLicenseData(licenseId) {
       var self = this
-      let url = `licenses/${licenseId}/`
+      let url = `licenses/${licenseId}`
       axios.get(url).then(response => {
         self.licenseData = response.data
       })