Port export changes to develop (#8329)

Signed-off-by: Anna Khismatullina <anna.khismatullina@gmail.com>

models/export/src/plugin.ts

@@ -0,0 +1,26 @@
+//
+// Copyright © 2025 Hardcore Engineering Inc.
+//
+// Licensed under the Eclipse Public License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License. You may
+// obtain a copy of the License at https://www.eclipse.org/legal/epl-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+//
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+import { mergeIds } from '@hcengineering/platform'
+import { exportId } from '@hcengineering/export'
+import { type ComponentPointExtension } from '@hcengineering/presentation'
+import { type Ref } from '@hcengineering/core'
+import exportPlugin from '@hcengineering/export-resources/src/plugin'
+
+export default mergeIds(exportId, exportPlugin, {
+  extensions: {
+    ExportButton: '' as Ref<ComponentPointExtension>
+  }
+})