Construction Bug - Possible Fix.

What have you done in this MR?

With Ceikrys Help, the smartest guy in the room, :

• Possible Construction All Scenery Null fix in regards to isloaded checks.
• Fixed houseregionid getting registered for dunegon id
• Setteleport location to proper method.

Are there any tricky things testers should keep an eye out for?

• No

• Yes, as follows: Anything

• I have tested these changes thoroughly.

• This requires extra testing due to changes to architecture or other similarly risky changes.

• I used the Thanos Tool for any JSON edits where possible, and have attached screenshots of any changes.

• I acknowledge that this contribution will be released under the AGPL license.

*** NOTE: If Gitlab complains about pipelines stating that you need to "Validate your Gitlab account" there is no need to worry. You do not have to do this and it is only occurring because OUR pipeline tried to run on your fork. This is perfectly normal and okay, and you can ignore/dismiss this message from Gitlab. ***