Enable slot and publication deletion when stream application is removed (#2684)

* refactor syncing publication section
* update createOrUpdateStream function to allow resource deletion when removed from manifest
* add minimal FES CRD to enable FES resources creation for E2E test
* fix bug of removing manifest slots in syncStream
* e2e test: fixing typo with major upgrade test
* e2e test: should create and delete FES resource
* e2e test: should not delete manual created resources
* e2e test: enable cluster role for FES with patching instead of deploying in manifest

pkg/apis/zalando.org/v1/fabriceventstream.go

@@ -1,6 +1,7 @@
 package v1
 
 import (
+	acidv1 "github.com/zalando/postgres-operator/pkg/apis/acid.zalan.do/v1"
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 )
 
@@ -89,3 +90,8 @@ type DBAuth struct {
 	UserKey     string `json:"userKey,omitempty"`
 	PasswordKey string `json:"passwordKey,omitempty"`
 }
+
+type Slot struct {
+	Slot        map[string]string             `json:"slot"`
+	Publication map[string]acidv1.StreamTable `json:"publication"`
+}