fix(medusa): Product repo typeorm issues (#4084)

* fix(medusa): Product repo typeorm issues

* chore: fixed category scopes

* WIP fix categories

* fix product repo to attach categories

* fix uni tests

* Create eighty-icons-exercise.md

* revert package.json

* fix change set

* last fixes

* cleanup iteration

* fix repository deep relations joining aliasing

* improve response time

* improve category test case

* fix free texts search

* fix repo

* centralise repository manipulation into utils and use the utils in the product repo

* fix product repo

* fix customer group

* update changeset

* fix customer group

* include feedback

* fix repo

* remove query strategy

---------

Co-authored-by: Riqwan Thamir <rmthamir@gmail.com>

.changeset/eighty-icons-exercise.md

@@ -0,0 +1,5 @@
+---
+"@medusajs/medusa": patch
+---
+
+fix(medusa): Revert product repo to prevent typeorm issues + cleanup and improvements