[SQL] Fix She-Slime Shield missing HP mod, correct DEF mod value

[ampitere]

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• 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?

She-Slime Shield is missing its HP mod. The DEF mod should also be 1 instead of 2.

https://www.bg-wiki.com/ffxi/She-Slime_Shield

Steps to test these changes

1. !additem 28650
2. Equip the shield
3. HP should go up by 2