Populated a few places, corrected some quest logs

What has been done in this MR?

• Corrected QUEST LOG (just check that the quest log is fine, and it should be good)
  • Creatures of Fenkenstrain (minor line change)
  • Troll Stronghold (minor line change)
  • The Dig Site (minor source update)
  • Witch's House (minor line change)
  • Scorpion Catcher (massive changes)
  • Wolf Whistle (massive changes)
  • Nature Spirit (massive changes)
  • What Lies Below (massive changes)
• Populated Lucien's Camp (Next to Wildy Chaos Temple hut) (Inaccessible)
• Populated Black knight catacombs (WGS) (Inaccessible)
• Populated 1st level of Pollnivneach Slayer Dungeon (Smoking Kills) (Accessible)

What should testers check?

• All of these are purely cosmestic.
• None of these are technically functional.

• I have tested these changes thoroughly.

• I used the relevant Zaros tool for any JSON edits where possible, and have attached screenshots of any changes.