Remember the language filter when paging repository search results (BB-6994)

Hello. If the search repository specify the programming language, when using pagination option disappears from the 'language' requesturl.
Try:
https://bitbucket.org/repo/all/relevance/5?name=server&language=python\\
and use 'Next'.
I hope you can understand what I mean. Sorry for my bad english.
Thx