Debugger: Add missing state transition

DebuggerProcessFinished in EngineSetupRequested means EngineSetupFailed.

Could be triggered with LLDB "Run as Root" plus <Cancel> in the dialog.

Change-Id: Idbfcaebfc302c7646f9b85275d1d57be17cd0922
Reviewed-by: <github-actions-qt-creator@cristianadam.eu>
Reviewed-by: Marcus Tillmanns <marcus.tillmanns@qt.io>

src/plugins/debugger/debuggerengine.cpp

@@ -1797,6 +1797,9 @@ void DebuggerEngine::notifyDebuggerProcessFinished(const ProcessResultData &resu
     case DebuggerFinished:
         // Nothing to do.
         break;
+    case EngineSetupRequested:
+        notifyEngineSetupFailed();
+        break;
     case EngineShutdownRequested:
     case InferiorShutdownRequested:
         notifyEngineShutdownFinished();