Update Sange & Yonin to better match retail

[WinterSolstice8]

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?

Fixes Yonin enmity value & decay to match retail
Fix Sange animation
Convert Sange to retail's Sange, including augments
Adds some TODOs for barrage enhancement
fixes a typo or two

Sange not giving +racc at 5/5 merits directly (therefore the +racc must be applied only to daken invisibly):

Sange animation capture:

Steps to test these changes

Use sange, use yonin, see them work correctly

With Sange, you'll need to breakpoint in the attacks to see the additional merits/augs work
To get a correct Koga Chainmail+2 do the following: