[dotnet] ignore exceptions from Quit when new session fails

In order to propagate the original error when session fails, surround the Quit call in try/catch in case it also throws an exception.

dotnet/src/webdriver/WebDriver.cs

@@ -62,8 +62,15 @@ protected WebDriver(ICommandExecutor executor, ICapabilities capabilities)
             }
             catch (Exception)
             {
-                // Failed to start driver session, disposing of driver
-                this.Quit();
+                try
+                {
+                    // Failed to start driver session, disposing of driver
+                    this.Quit();
+                }
+                catch
+                {
+                    // Ignore the clean-up exception. We'll propagate the original failure.
+                }
                 throw;
             }