[Backport 4.2.x] Set related children's thumbnail to default 4 (#8674)

* Set related children's thumbnail to default 4

* Set children thumbnail to 20 for record view page

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Co-authored-by: WANGF <feifei.wang@dfo-mpo.gc.ca>
Co-authored-by: wangf1122 <74916635+wangf1122@users.noreply.github.com>

Author: 3 people

web-ui/src/main/resources/catalog/views/default/templates/recordView/type-dataset.html

@@ -204,6 +204,7 @@ <h2 data-translate="">technicalInformation</h2>
       data-user="user"
       data-layout="card"
       data-types="children"
+      data-size="20"
       data-title="{{'seriesComposedOf' | translate}}"
     ></div>