Capacitor 5 App is getting crashed

**Describe the bug**
CapacitorCommunitySpeechRecognition/Plugin.swift:83: Fatal error: Unexpectedly found nil while unwrapping an Optional value
ERROR MESSAGE: {"errorMessage":"No speech detected","message":"No speech detected"}
2024-03-06 13:44:54.636679-0500 App[26385:6805050] CapacitorCommunitySpeechRecognition/Plugin.swift:83: Fatal error: Unexpectedly found nil while unwrapping an Optional value

**To Reproduce**
After voicerecognition.start app is getting crash

**Expected behavior**
App should not crash

**Screenshots**

**Smartphone (please complete the following information):**
- Device: iphone 13 pro max
- OS: iOS 16.1.1

Start at CapacitorCommunitySpeechRecognition/Plugin.swift:83 and reproduce the crash after voicerecognition.start on the reported iPhone and iOS version. Inspect the "No speech detected" path and determine why it reaches an unexpectedly nil value; done means that this case reports the error without crashing the app.

Written by the indexing model from the issue text.