approval dist imrpo (#5161)

* minor approval voting refactor

* ignore recently outdated ones

* check in another branch

* don't be a doofus

* add newline

* remove a superflous check

* fix missing ,

* consistency

* Update node/network/approval-distribution/src/lib.rs

Co-authored-by: Andronik <[email protected]>

* fixup

Co-authored-by: Andronik <[email protected]>