Add support for manual edit of KES configuration file (#2354)

Signed-off-by: Lenin Alevski <alevsk.8772@gmail.com>

restapi/errors.go

@@ -162,6 +162,10 @@ func ErrorWithContext(ctx context.Context, err ...interface{}) *models.Error {
 				errorCode = 404
 				errorMessage = ErrSSENotConfigured.Error()
 			}
+			if errors.Is(err1, ErrEncryptionConfigNotFound) {
+				errorCode = 404
+				errorMessage = err1.Error()
+			}
 			// account change password
 			if errors.Is(err1, ErrChangePassword) {
 				errorCode = 403

restapi/errors_test.go

@@ -82,7 +82,7 @@ func TestError(t *testing.T) {
 		"ErrUnableToUpdateTenantCertificates": {code: 500, err: ErrUnableToUpdateTenantCertificates},
 		"ErrUpdatingEncryptionConfig":         {code: 500, err: ErrUpdatingEncryptionConfig},
 		"ErrDeletingEncryptionConfig":         {code: 500, err: ErrDeletingEncryptionConfig},
-		"ErrEncryptionConfigNotFound":         {code: 500, err: ErrEncryptionConfigNotFound},
+		"ErrEncryptionConfigNotFound":         {code: 404, err: ErrEncryptionConfigNotFound},
 	}
 
 	for k, e := range appErrors {