Bug Fixes - Fluid Topics - 5.2

Fixes an issue where watermarking rules would not apply group requirements when used on a personal book or a shared personal book.

Fixes an issue where watermarks would not be displayed in the topic/document preview for classic pages.

Fixes an issue where SVG images without a viewBox attribute would not be previewable in the classic Reader page.

Fixes an issue where metadata suggestion dropdowns in the Confidentiality menu would not be scrollable.

Fixes an issue where it was not possible to replace deleted topic scripts in the Topic content component.

Fixes an issue where YouTube videos would not work in classic homepage tiles.

Fixes an issue where the Add script window of the Topic content component was displaying wrong information on file drop if a file was already selected.