Port export changes to develop (#8329)

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

plugins/export-assets/src/__tests__/lang.test.ts

@@ -0,0 +1,6 @@
+import { makeLocalesTest } from '@hcengineering/platform'
+
+it(
+  'Locales are equale',
+  makeLocalesTest((lang) => import(`../../lang/${lang}.json`))
+)

plugins/export-assets/src/index.ts

@@ -0,0 +1,23 @@
+//
+// 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 { loadMetadata } from '@hcengineering/platform'
+import exportPlugin from '@hcengineering/export'
+
+const icons = require('../assets/icons.svg') as string // eslint-disable-line
+
+loadMetadata(exportPlugin.icon, {
+  Export: `${icons}#export`
+})