[AAE-10768] Make the comments reusable (#7983)

* [AAE-10768] Refactor core comments

* [AAE-10768] Add models export in core comments refactor

* [AAE-10768] Add comments implementation inside process-services package

* [AAE-10768] Add task comments module to process module

* [AAE-10768] Add node comments module to content services

* [AAE-10768] Add id check to getComments and addComments in adf-core comments component

* [AAE-10768] Remove unused service files in process-comments module

* [AAE-10768] Remove unused service files in process-comments module

* [AAE-10768] Add testing logic to spec files

* [AAE-10768] Add comments components readme

* [AAE-10768] Add a mock service to inject into the comment stories file

* [AAE-10768] Add mock data for comments stories

* [AAE-10768] Add mock service to inject into comments stories

* [AAE-10768] Rename mock service and mock data

* [AAE-10768] change taskId with id into the comments test because taskId is never used

* [AAE-10768] Resolve pr suggestions

* [AAE-10768] Resolve task-comments pr suggestions

* [AAE-10768] Resolve comments pr suggestions

* [AAE-10768] Fix merge error in comments.component.html

* [AAE-10768] Add missing markdown files

* [AAE-10768] Remove events from md files

* [AAE-10768] Update upgrade50-60.md with renamed input property

Co-authored-by: Amedeo Lepore <amedeo.lepore@hyland.com>

docs/upgrade-guide/upgrade50-60.md

@@ -126,7 +126,7 @@ v6.0.0 and after:
 
 
 ### Properties and methods
-
+- `<adf-comments>`: The `taskId` input has now been renamed as `id`
 
 ### Component selectors