Change the default behavior of auto-fix. Always turn auto-fix on by defa...

...ult.
If the user uncheck the checkbox, then the field "fix" will not be sent to the server. This is the same if we just turn off this part of the UI entirely. Thus, there is no way to distinguish whether the user unchecked the checkbox or we simply do not turn on this UI. Adding this hidden input, when the user uncheck the checkbox, the field "fix" will have the value set in this hidden element. This will enable us to distinguish the 2 scenarios.