LeAudio: Fix invalid audio set config references

There were references to non-existing configuration.
Missing configs were added where possible and invalid
references were fixed.

Bug: 295972694
Test: atest --host bluetooth_le_audio_test bluetooth_le_audio_client_test  bluetooth_test_broadcaster bluetooth_test_broadcaster_state_machine bluetooth_le_audio_codec_manager_test
Flag: EXEMPT; non-flagable refactor, verified with unit tests
Change-Id: I59cfa2313406bcb52097fad5485968423583464d