Chore: Tidy SQL usage in login, search, and world servers

[zach2good]

I affirm:

• I understand that if I do not agree to the following points by completing the checkboxes my PR will be ignored.
• I understand I should leave resolving conversations to the LandSandBoat team so that reviewers won't miss what was said.
• I have read and understood the Contributing Guide and the Code of Conduct.
• 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?

Also tidies multiline strings

Testing:

• Make a new character
• Change password
• Delete a character
• Log in
• /sea all
• Send tell
• Join party
• Send party chat
• Add someone to blacklist
• Create and name a linkshell
• Make a linkpearl and trade to someone else
• Both equip linkpearls
• Send linkshell chat - seen by all
• List something on the AH
• Buy something on the AH - get item
• De-list something from the AH
• AH: Price history shows
• AH: Current listings show
• AH: Listing per-item show
• AH: Have someone buy something - gil shows up in dbox
• Send something to another char in the dbox
• Get something from another char in the dbox
• Daily tally
• Conquest
• Cancel dbox sends