"Auto adjust Kelvin + G/M" tool in the main shooting menu (WIP)

Created originally on Bitbucket by daniel_fort (Daniel Fort)

Changesets for this Pull Request have not been imported, because it had been already declined on Bitbucket. Marked as closed by the import user.

The "Auto adjust Kelvin + G/M" tool should be more easily accessible. This change will trigger "Auto adjust Kelvin + G/M" from the select button (Play in the case of the EOSM) when White Balance is highlighted in the main shooting menu instead of incrementing the color temperature.