refactor: duplicates information modal (#18282)

web/src/lib/modals/DuplicatesInformationModal.svelte

@@ -0,0 +1,22 @@
+<script lang="ts">
+  import { Modal, ModalBody } from '@immich/ui';
+  import { t } from 'svelte-i18n';
+
+  interface Props {
+    onClose: () => void;
+  }
+
+  let { onClose }: Props = $props();
+</script>
+
+<Modal title={$t('deduplication_info')} size="small" {onClose}>
+  <ModalBody>
+    <div class="text-sm dark:text-white">
+      <p>{$t('deduplication_info_description')}</p>
+      <ol class="ms-8 mt-2" style="list-style: decimal">
+        <li>{$t('deduplication_criteria_1')}</li>
+        <li>{$t('deduplication_criteria_2')}</li>
+      </ol>
+    </div>
+  </ModalBody>
+</Modal>