Copy URL does not use the current page identifier

[jsbien]

Looks like the URL contains the original page identifier of the hit. However sometimes the item of interest is on the next or previous page.

An example: Linde, search for PÓKI, scroll to the top of the next page, mark the work pojche.

[Michał Rudolf]

Fix page in URL links. Closes #128.

→ <<cset 5a3e51d31fda>>