fix(Scripts/Naxxramas): Re enable Portal Hub teleport requirement

[sogladev]

Changes Proposed:

This PR proposes changes to:

• Core (units, players, creatures, game systems).
• Scripts (bosses, spell scripts, creature scripts).
• Database (SAI, creatures, etc).

Issues Addressed:

• fixes side effect of fix(Scripts/Naxxramas): Remove Sapphiron encounter boss requirements #15048 that fixes a bug introduced with fix(CORE/Naxxramas): Portals and Teleports #12696

portal hub areatrigger always returns true making the portal always enabled. Portal should be disabled until all 4 wings are cleared. Orbs are there to bypass this requirement

SOURCE:

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• Live research (checked on live servers, e.g Classic WotLK, Retail, etc.)
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Tests Performed:

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• Tested in-game by the author.
• Tested in-game by other community members/someone else other than the author/has been live on production servers.
• This pull request requires further testing and may have edge cases to be tested.

How to Test the Changes:

• This pull request can be tested by following the reproduction steps provided in the linked issue
• This pull request requires further testing. Provide steps to test your changes. If it requires any specific setup e.g multiple players please specify it as well.

1. go stand on the portal
2. kill four wings and stand on the portal, should tp to sapphiron

Known Issues and TODO List:

• [ ]
• [ ]

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[heyitsbench]

Players no longer need to kill the final bosses in all four wings of this dungeon in order to teleport to Sapphiron.

Won't this PR revert that?

[sogladev]

Players no longer need to kill the final bosses in all four wings of this dungeon in order to teleport to Sapphiron.

Won't this PR revert

Teleportation orbs have been added to allow players access back and forth from Sapphiron's lair.

The orbs are there to bypass this requirement.

At the moment you can't click the orb to tp upstairs because the areatrigger is always active, making the orbs not able to do their function.