* adding server side events language accept information for the events and domain in event segmentation
* only sending the first language
* adding fixes for tests
* adding domain for plans-page-view and paywall-plans-page-view
* adding domain for gallery-page-view
* adding it for payment-page-view
* rename variable
* removing language from login-page-view
* adding a fallback value
* removing domain from test
* removing extra comment
* adding test host
* removing extra console added by mistake
* format:fix
GitOrigin-RevId: d1a1a30e4635abdc2b93f88de14a1d8937f974c8
