style(nc-gui): fine tune kanban card

packages/nc-gui/components/smartsheet/Kanban.vue

@@ -163,7 +163,7 @@ openNewRecordFormHook?.on(async () => {
                 <div
                   v-for="col in fieldsWithoutCover"
                   :key="`record-${record.row.id}-${col.id}`"
-                  class="flex flex-col space-y-1 px-4 mb-6 bg-gray-50 rounded-lg w-full"
+                  class="flex flex-col space-y-1 px-2 mb-3 bg-gray-50 rounded-lg w-full"
                 >
                   <div class="flex flex-row w-full justify-start border-b-1 border-gray-100 py-2.5">
                     <div class="w-full text-gray-600">