chore: update new element react types template

place the import for new elements in the correct place (in react-types.ts)

Author: urish

_templates/element/new/react-types-import.ts.t

@@ -1,7 +1,7 @@
 ---
 to: src/react-types.ts
 inject: true
-before: \ndeclare global
+before: \ntype WokwiElement
 skip_if: \{ <%= h.className(name) %>Element \}
 ---
 import { <%= h.className(name) %>Element } from './<%= name %>-element';