fix(eventstore): improve pagination of handler filter (#6968)

* fix(setup): add filter_offset to `projections.current_states`

* fix(eventstore): allow offset in query

* fix(handler): offset for already processed events

(cherry picked from commit e3d1ca4d58)

internal/eventstore/handler/v2/state_get_await.sql

@@ -4,6 +4,7 @@ SELECT
     , "sequence"
     , event_date
     , "position"
+    , filter_offset
 FROM 
     projections.current_states
 WHERE