Reset-ASIO button + checkbox tick/untick sounds (parts 1-2 of the cue/preferences overhaul)

Part 1 - "Uncheck all inputs and outputs" button now also resets the ASIO driver to "(none)":
renamed to say so, and UncheckAllDevices sets asioDriverBox to row 0 for a full clean
WASAPI-only, nothing-selected state.

Part 2 - checkbox tick/untick sounds: every checkbox toggle anywhere in RemSound now plays a
short cue (check.wav on tick, uncheck.wav on untick) - instant feedback on which way a box
went, especially in the inputs/outputs lists. New CheckSoundService + two machine-wide cues
(CheckboxOn/Off) with the usual numbered-variant + Preferences treatment. Hooked from
AccessibleCheckBox.OnCheckedChanged and the device lists' WireCheckedListAccessibility, both
gated on the control being Focused so a genuine user toggle clicks but bulk programmatic
(un)checking (profile load, "uncheck all") stays silent. Reloaded at startup and on cue change.

Tests + manual updated; .sfk byproducts cleared.

Remaining for the overhaul (next): tabbed Preferences (General / Audio cues / Startup behaviour /
Update settings), the cue-list redesign with a "none" option replacing per-cue checkboxes, moving
Startup behaviour out of the Options menu, and a front-most "missing sound file" error.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

src/RemSound.App/SelfTest.cs

@@ -307,6 +307,7 @@ internal static class SelfTest
         {
             "connect.wav", "disconnect.wav", "start up.wav",
             "send on.wav", "send off.wav", "recieve on.wav", "recieve off.wav", "minimise.wav", "maximise.wav",
+            "check.wav", "uncheck.wav",
         })
         {
             Check(CueSounds.Variants(cue).Count > 0,