fix: header overlap when no record present in grid

Signed-off-by: mertmit <mertmit99@gmail.com>

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

@@ -715,7 +715,7 @@ const closeAddColumnDropdown = () => {
         >
           <thead ref="tableHead">
             <tr class="nc-grid-header">
-              <th class="w-[80px]" data-testid="grid-id-column">
+              <th class="w-[80px] min-w-[80px]" data-testid="grid-id-column">
                 <div class="w-full h-full bg-gray-100 flex pl-5 pr-1 items-center" data-testid="nc-check-all">
                   <template v-if="!readOnly">
                     <div class="nc-no-label text-gray-500" :class="{ hidden: selectedAllRecords }">#</div>