Implemented AmazonS3PathPrefix (#14917)

* Implemented AmazonS3PathPrefix

* Remove unecessary method

* fix for test

* fix for test which are failing

* fix for test which are failing

* fix for test

Co-authored-by: Dusan Panic <dusan@salestrekker.com>

model/config.go

@@ -1265,6 +1265,7 @@ type FileSettings struct {
 	AmazonS3AccessKeyId     *string `restricted:"true"`
 	AmazonS3SecretAccessKey *string `restricted:"true"`
 	AmazonS3Bucket          *string `restricted:"true"`
+	AmazonS3PathPrefix      *string `restricted:"true"`
 	AmazonS3Region          *string `restricted:"true"`
 	AmazonS3Endpoint        *string `restricted:"true"`
 	AmazonS3SSL             *bool   `restricted:"true"`
@@ -1329,6 +1330,10 @@ func (s *FileSettings) SetDefaults(isUpdate bool) {
 		s.AmazonS3Bucket = NewString("")
 	}
 
+	if s.AmazonS3PathPrefix == nil {
+		s.AmazonS3PathPrefix = NewString("")
+	}
+
 	if s.AmazonS3Region == nil {
 		s.AmazonS3Region = NewString("")
 	}