Update view.js
Update view.js

The expected 'type' value for the forum mention notification was out of date (was 'mentioned', is now 'mention')

Fixes #2123
arex1337/lila,arex1337/lila,arex1337/lila,clarkerubber/lila,arex1337/lila,arex1337/lila,luanlv/lila,clarkerubber/lila,luanlv/lila,luanlv/lila,clarkerubber/lila,clarkerubber/lila,luanlv/lila,luanlv/lila,luanlv/lila,clarkerubber/lila,arex1337/lila,clarkerubber/lila,clarkerubber/lila,luanlv/lila,arex1337/lila