* fix(api_key): added displaying vpn_key field added in older version of the app
* revert changes
* fix: implemented generation of api key text for PremiumV2
* fix: deleted unnecessary code
* saving apikey text when generating
* added method for vpn key export, fixed wrong saving file
* refactoring: moved shared code into reusable functions for ApiConfigsController
* feat: add xray support in apiConfigsController
* feat: added a temporary switch for the xray protocol on api settings page
* feat: added supported protocols field processing
* refactoring: moved IsProtocolSelectionSupported to apiAccountInfoModel