feat: save last occurrence of failed events and fix instance filtering (#4710)

* fix: filter failed events and current sequence correctly

* fix failed events sorting column

* feat: save last occurrence of failed event

* fix failedEvents query and update sql statements

* change sql statement to only create index

* fix linting

* fix linting

* Update internal/query/failed_events.go

Co-authored-by: Silvan <silvan.reusser@gmail.com>

* update job name on test-docs to match the one from test-code

Co-authored-by: Silvan <silvan.reusser@gmail.com>

internal/view/model/failed_event.go

@@ -1,9 +1,13 @@
 package model
 
+import "time"
+
 type FailedEvent struct {
 	Database       string
 	ViewName       string
 	FailedSequence uint64
 	FailureCount   uint64
 	ErrMsg         string
+	InstanceID     string
+	LastFailed     time.Time
 }