Fix translation of "ssbrowser.html" Web page
    
    Make this page message translatable as other parts of IPA framework.
    
    Fixes: https://pagure.io/freeipa/issue/7640
    Reviewed-By: Petr Vobornik <pvoborni@redhat.com>
    Reviewed-By: Serhii Tsymbaliuk <stsymbal@redhat.com>