fix: timezone selector

views/settings.tpl.html

@@ -632,11 +632,13 @@
 
     const btnImportWakatime = document.querySelector('#btn-import-wakatime')
     const formImportWakatime = document.querySelector('#form-import-wakatime')
+    if (btnImportWakatime) {
         btnImportWakatime.addEventListener('click', () => {
             if (confirm('Are you sure? The import can not be undone.')) {
                 formImportWakatime.submit()
             }
         })
+    }
 
     // Time zone stuff