Properly expose soundboard

[Lexedia]

Description

title

Use smart commits here to manipulate issues (eg. Fixes #issue)

Connected issues & other potential problems

If changes in PR are connected to other issues or are affecting code in other parts of framework
(e.g. in main package or any other subpackage) make sure to link issue/PR and describe said problem

Type of change

Please delete options that are not relevant.

• Bug fix (non-breaking change which fixes an issue)

Checklist:

• Ran dart analyze or make analyze and fixed all issues
• Ran dart format --set-exit-if-changed -l 160 ./lib or make format and fixed all issues
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• I have added tests that prove my fix is effective or that my feature works