Merge remote-tracking branch 'origin/BUG#AC-901' into GL_Mainline_PR_25112021

Author: glo71317

setup/src/Magento/Setup/Console/Command/InstallCommand.php

@@ -119,7 +119,7 @@ class InstallCommand extends AbstractSetupCommand
     /**
      * @var array
      */
-    protected $interactiveSetupUserInput;
+    private $interactiveSetupUserInput;
 
     /**
      * Constructor