Fix foreign bundle count
Fix foreign bundle count

Use foreign source reported notifications count
instead of counting the actual objects.

Counting objects is wrong because of bundles
that are 1 object but represent multiple notifications.

Bug: T138888
Change-Id: Ib63efc1e33af8f4364a7ba11a0dc3ff820f0a03c

wikimedia/mediawiki-extensions-Echo,wikimedia/mediawiki-extensions-Echo,wikimedia/mediawiki-extensions-Echo,wikimedia/mediawiki-extensions-Echo