Improve no data tracked yet screen (matomo-org#17367)

* wip

* wip

* wip

* wip

* wip

* tabs and basic structure

* wip

* wip

* tagmanager tab

* fix send email link

* use element, add comment

* use widget loader

* test wip

* site type guesser class

* add sharepoint guess

* catch http request exception

* update ui test images

* cache site types and gtm

* cache DI

* fill untranslated text

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