(GH-323) Do not run autouninstaller unless success

If for any reason the package is in failure mode, we should continue to
let it be in failure mode and not mess up the state of the uninstall,
since the package uninstall will be considered a failure.

src/chocolatey/infrastructure.app/services/ChocolateyPackageService.cs

@@ -493,7 +493,10 @@ public ConcurrentDictionary<string, PackageResult> uninstall_run(ChocolateyConfi
                         _powershellService.uninstall(config, packageResult);
                     }
 
-                    _autoUninstallerService.run(packageResult, config);
+                    if (packageResult.Success)
+                    {
+                        _autoUninstallerService.run(packageResult, config);
+                    }
 
                     // we don't care about the exit code
                     if (config.Information.PlatformType == PlatformType.Windows) CommandExecutor.execute("shutdown", "/a", config.CommandExecutionTimeoutSeconds, _fileSystem.get_current_directory(), (s, e) => { }, (s, e) => { }, false);