R1:f5e842ebd9af

dark console - introduce "request log" section

Summary: this section gets updated for each and every request. clicking a given entry updates the larger dark-console area to have the information from that request

Test Plan: clicked around in maniphest and observed request log populating correctly. clicked a few entries in request log and saw it updated properly. clicked a different tab in the dark-console and it worked. clicked a different request log entry and it opened the dark console to the proper…