Telemetry: add WebView init failure errors

src/settings/trace.h

@@ -0,0 +1,17 @@
+#pragma once
+
+class Trace
+{
+public:
+    enum class SettingsInitErrorCause : int32_t
+    {
+        WebViewInitAsyncError,
+        WebViewInitWinRTException,
+        FailedToDropPrivileges,
+    };
+
+    static void SettingsInitError(const SettingsInitErrorCause error_cause);
+
+    static void RegisterProvider() noexcept;
+    static void UnregisterProvider() noexcept;
+};