This fallback has no limit checks .. it is a replacement of the current summary message "Item changed"
###Template
Changed label, description and/or alias in XX languages
Example:
`Changed label, description and/or alias in 60 languages`
###To do
[x] ADR introducing `ChangeOpResult` as return value of `ChangeOp::apply`
[x] Implementation of `ChangeOpResult` in Wikibase and WikibaseLexeme
[x] Introducing `LanguageBoundChangeOpResult` followin ISP
[x] [Add service for counting distinct changed languages in a given changeOpResults tree](https://gerrit.wikimedia.org/r/c/mediawiki/extensions/Wikibase/+/530116)
[x] [[https://gerrit.wikimedia.org/r/c/mediawiki/extensions/Wikibase/+/534127|Enable checking whether parts other than terms has changed or not]]
[x] **[[https://gerrit.wikimedia.org/r/c/mediawiki/extensions/Wikibase/+/533261|Use new service in `EditEntity` class to generate final summary message]]**
### Final AC
**Given** Item or Property UI page
**When** I update only some terms in different languages
**Then** I should see the following summary message in item's history and recent changes:
`Changed label, description and/or alias in XX languages` where XX is the number of distinct languages changed
When I update some other non-term parts
Then I should see the following summary message in item's history and recent changes:
`Item changed`
----
**Given** API user of `wbeditentity` api
**When** I update terms and other parts of entity
**Then** I should see the following summary message in item's history and recent changes:
`Changed label, description and/or alias in XX languages, and other parts` where XX is the number of distinct languages changed