Fix codegen for codec::Compact as type parameters (#651)

* Add failing test for compact generic parameter

* WIP refactor type generation

* Fmt

* Remove deprecated rustfmt optionns

* Remove license template path

* Update parent type parameter visitor

* Introduce different methods for generating a type path for a field

* Add comment

* Fix weights refs

* Add extra compact test cases

* Fmt

.rustfmt.toml

@@ -9,7 +9,6 @@ format_code_in_doc_comments = false
 comment_width = 80
 normalize_comments = true # changed
 normalize_doc_attributes = false
-license_template_path = "FILE_TEMPLATE" # changed
 format_strings = false
 format_macro_matchers = false
 format_macro_bodies = true
@@ -57,8 +56,6 @@ skip_children = false
 hide_parse_errors = false
 error_on_line_overflow = false
 error_on_unformatted = false
-report_todo = "Always"
-report_fixme = "Always"
 ignore = []
 
 # Below are `rustfmt` internal settings