Update network-commissioning to use AddResponse for responding to s…

…can responses (project-chip#33687)

* Add support for thread encoding to tlv

* Preserve awkward sort inside a loop

* Add a TODO comment ... insertion sort in a loop is awkward

* Make use of the new class

* Add ifdefs

* Fix out parameter to be a reference

* Restyle

* Comment typo fix and add one more comment

* Remove comment: we encode right away, so no lifetime issue

* Update src/app/clusters/network-commissioning/network-commissioning.cpp

Co-authored-by: Boris Zbarsky <[email protected]>

* Update src/app/clusters/network-commissioning/network-commissioning.cpp

Co-authored-by: Boris Zbarsky <[email protected]>

* Fix ifdef

* Comment update

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Co-authored-by: Andrei Litvin <[email protected]>
Co-authored-by: Boris Zbarsky <[email protected]>