Fix sound split exception during startup on AppVeyor CI runner (nvacc…

…ess#16270)

Closes nvaccess#16269
Fixup of nvaccess#16071

Summary of the issue:
Exception _ctypes.COMError is thrown at startup on AppVeyor CI runner because hno sound device is present.

Description of user facing changes
N/A

Description of development approach
Catching and logging exception. Returning from soundSplit.initialize function so that initialization can continue.

Testing strategy:
Not sure how to test on AppVeyor, but judging by the exception providded - this should fix the error.
Tested on my local computer to avoid syntax errors.

source/audio/soundSplit.py

@@ -15,6 +15,7 @@
 import ui
 from utils.displayString import DisplayStringIntEnum
 from dataclasses import dataclass
+from comtypes import COMError
 
 VolumeTupleT = tuple[float, float]
 
@@ -78,7 +79,11 @@ def getNVDAVolume(self) -> VolumeTupleT:
 def initialize() -> None:
 	if nvwave.usingWasapiWavePlayer():
 		global audioSessionManager
-		audioSessionManager = AudioUtilities.GetAudioSessionManager()
+		try:
+			audioSessionManager = AudioUtilities.GetAudioSessionManager()
+		except COMError:
+			log.exception("Could not initialize audio session manager")
+			return
 		state = SoundSplitState(config.conf["audio"]["soundSplitState"])
 		setSoundSplitState(state)
 	else: