Sorcery Points fix (Twinned Spell not deducting points)

[Takryn]

1. Under function metaMagic_Twinned(), new Dialog({...

"content" should be "newContent" to capture the work.

content : content, --> content : newContent,

2. "label" is written as "lable" in statements throughout the file. I can't tell if it is doing something it shouldn't be or if it is not showing things it should. It does not cause an error, but just thought I'd mention it.