Hides troubleshooter link if codes are not equal

[Shadowtail117]

This PR will hide the troubleshooter link below the codes if the codes are not equal. This is because if they are not equal (meaning the adblocker hasn't been updated), the user should expect the popup, and there isn't a need to troubleshoot why they are still seeing it. It is only shown when the codes are the same, as if the user still sees a popup in that case, they should start troubleshooting using the guides on Reddit.

Also adds missing semicolons in the two main blocks of areCodesEqual() for consistency.

[drHyperion451]

I agree with you about removing the troubleshoot footer when the user says no. I'm planning on adding another icon in the menu website that will href to the subreddit though.