Browser search bar doesn't convert line breaks/new lines

[jcznk]

Tested on version 25.07.3 rc1. I was able to reproduce the same behavior with every other version I tested.

Steps to reproduce:

1. Go to the Card Browser.
2. Copy some text containing line breaks/newlines from any source.
3. Paste it into the search bar and perform a search → no search results.
4. Edit the pasted text in the search bar by deleting the "spaces" created by the line breaks/newlines and replacing them with normal spaces → the search now works as expected.