Differences panel for Webpage mode

[sdottaka]

A copy of https://sourceforge.net/p/winmerge/bugs/2247/

Webpage mode doesn't display all the preview differences in the Location panel correctly.
The differences are visible only in the upper part.

For example:
https://www.ceskatelevize.cz/tv-program/20.10.2024/
https://www.ceskatelevize.cz/tv-program/20.10.2024/?filtr%5Bhd%5D=ano

Version 2.16.42.1 x64
Windows 10 Home 22H2