[Mission] Sandy 6-2 Adds table and npcUtil.popFromQM & shift proof popped NM

[hooksta4]

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• [x] I understand that if I do not agree to the following points by completing the checkboxes my PR will be ignored.
• [x] I understand I should leave resolving conversations to the LandSandBoat team so that reviewers won't miss what was said.
• [x] I have read and understood the Contributing Guide and the Code of Conduct.
• [x] I have tested my code and the things my code has changed since the last commit in the PR and will test after any later commits.

What does this pull request do?

Makes Sandy mission 6-2 shift proof for IDs (GetFirstID) for each of the 3 spawned mobs in KRT. Adds table of mobs and moves to npcUtil.popFromQM

Steps to test these changes

!addmission 0 17 !setmissionstatus [NAME] 1 0 !pos -39 4.823 20 190 Click on door and FIGHT the mobs (!hp 0 will not progress missionstatus Var. After death click door, will then ask to enter door. Select yes and then click the tombstone for KI Ancient Sandorian Book