Get model and multiplier show up for Copilot CLI controller API route (#313079)

* Try to get model and token info to show up for cli in chat

Co-authored-by: Copilot <copilot@github.com>

* make sure that auto mode persists for CLI

* make ui appear for non-contoller api route

* make controller route work without modifying requestHandler

Co-authored-by: Copilot <copilot@github.com>

* dqwdqwdwq

* ship more stuf

Co-authored-by: Copilot <copilot@github.com>

* gate this behind setting

Co-authored-by: Copilot <copilot@github.com>

* cleaner

Co-authored-by: Copilot <copilot@github.com>

* stop messing with tests

Co-authored-by: Copilot <copilot@github.com>

* try fix test

* Make sure the test pass

Co-authored-by: Copilot <copilot@github.com>

* rename better

Co-authored-by: Copilot <copilot@github.com>

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Co-authored-by: Copilot <copilot@github.com>
Co-authored-by: justschen <justchen@microsoft.com>