refactor(nc-gui): add comment

packages/nc-gui/composables/useMultiSelect/index.ts

@@ -124,6 +124,9 @@ export function useMultiSelect(
               d = dayjs(textToCopy, isMysql(columnObj.base_id) ? 'YYYY-MM-DD HH:mm:ss' : 'YYYY-MM-DD HH:mm:ssZ')
             }
 
+            // users can change the datetime format in UI
+            // `textToCopy` would be always in YYYY-MM-DD HH:mm:ss(Z) format
+            // therefore, here we reformat to the correct datetime format based on the meta
             textToCopy = d.format(constructDateTimeFormat(columnObj))
 
             if (!dayjs(textToCopy).isValid()) {