R1:ca49fffc1bad

Fix the legacy "25, 50, 100, unlimited" Harbormaster log links to respect generation selection

Summary:
See PHI565. Ref T13120. Although this older log is on the chopping block (see T13088), there's some migration guidance and other complexity around just replacing it.

Until it gets replaced, make clicking the "number of lines" elements respect the current "Build Generation" setting. Prior to this change, clicking the links would lose the generation information and jump you to the most recent build…