Update CI + for Live XS (beta)

Updated the beta firmware based on OE7.0. In this update, the CI + support code is improved to solve the problems of image fading for some streams with high bitrates. Additionally, the interface localization for some languages has been updated.
ATTENTION! To install the update, you can use the built-in software update system, you need to activate the upgrade to beta version in the settings. Also for this update, it is recommended to install the firmware from scratch and restore the previously saved settings. Download the firmware by clicking on the link (mirror).