* [FR] Improve Email handeling
Fixes#7950
* extend implementation of email thread and message models
* add missing args
* add unit test
* increase test coverage
* make key not necessary
* do not consider in coverage
* add email apis
* Add email admin
* fix email configuration check
* improve rendering
* squash migrations
* add config value overview
* log if mails were send
* add additional headers
* fix api unit test
* fix url resolving
* add InvenTree specific task to issue mails
required to extend sending options (prio, reply to)
* use internal sending task to keep telemetry cleaner
* add prio handling
* add plugin handling
* add setting
* factor plugin method out
* add typing
* move function
* bump version
* fix import path
* add a test for the test endpoint
* fix checking logic
* Add anymail sending / tracking handling
* add more ordering fields to api
* remove unneeded assingment
* add basic docs
* handle incoming emails with anymail
* Add inbox handling
Closes https://github.com/inventree/InvenTree/issues/7951
* add list of supported ESPs
* add better error transparency when sending fails
* add missing migration
* combine migrations back down
* fix todos
* fix qc export
* fix missing model props
* add tests
* ensure things are passed as a list
* fix list formatting
* fix deps
* move tests
* add testing with anymail
* allow handling of priority and headers
* add test for events
* add test for inbound messages
* rename variable
* increase coverage
* fix format
* add setting doc
* fix link
* rename fnc
* disable pro test
* make messages clearer
* fix doc syntax
* fix assign
* fix test
* revert test disablement
* add enum
* disable check for now
* try changing test around
* add incoming mail processing
* fix import
* add docs
* Fix mail.md
* bump deps
* fix api version
