* [CambridgeAudio Integration] Add switch to enable Control Bus Mode
* remove load_fn
* Add import for ControlBusMode
* Add strings for control_bus_mode
* Add icons for control_bus_mode
* Add test case for the select ControlBusMode.Amplifier
* Change the set of icons
* Fix the usage of the wrong property name
* Fix test
* Fix test 2
* add new snapshot
* fix test name
* Fix
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Co-authored-by: Joost Lekkerkerker <joostlek@outlook.com>
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