feat: enable iframe use (#4766)

* feat: enable iframe use

* cleanup

* fix mocks

* fix linting

* docs: add iframe usage to solution scenarios configurations

* improve api

* feat(console): security policy

* description

* remove unnecessary line

* disable input button and urls when not enabled

* add image to docs

Co-authored-by: Max Peintner <max@caos.ch>
Co-authored-by: Fabi <38692350+hifabienne@users.noreply.github.com>

internal/api/authz/instance.go

@@ -19,6 +19,7 @@ type Instance interface {
 	RequestedHost() string
 	DefaultLanguage() language.Tag
 	DefaultOrganisationID() string
+	SecurityPolicyAllowedOrigins() []string
 }
 
 type InstanceVerifier interface {
@@ -66,6 +67,10 @@ func (i *instance) DefaultOrganisationID() string {
 	return i.orgID
 }
 
+func (i *instance) SecurityPolicyAllowedOrigins() []string {
+	return nil
+}
+
 func GetInstance(ctx context.Context) Instance {
 	instance, ok := ctx.Value(instanceKey).(Instance)
 	if !ok {