refactor: moved to new vue slots API

src/renderer/components/WorkspaceTabQueryTable.vue

@@ -91,17 +91,17 @@
          @confirm="deleteSelected"
          @hide="hideDeleteConfirmModal"
       >
-         <template :slot="'header'">
+         <template #header>
             <div class="d-flex">
                <i class="mdi mdi-24px mdi-delete mr-1" />
                <span class="cut-text">{{ $tc('message.deleteRows', selectedRows.length) }}</span>
             </div>
          </template>
-         <div :slot="'body'">
+         <template #body>
             <div class="mb-2">
                {{ $tc('message.confirmToDeleteRows', selectedRows.length) }}
             </div>
-         </div>
+         </template>
       </ConfirmModal>
    </div>
 </template>