server-esm: Change some more export object to export default object

src/etapi/etapi_utils.ts

@@ -146,7 +146,7 @@ function validateAndPatch(target: any, source: any, allowedProperties: Validator
     }
 }
 
-export = {
+export default {
     EtapiError,
     sendError,
     route,

src/etapi/mappers.ts

@@ -64,7 +64,7 @@ function mapAttachmentToPojo(attachment: BAttachment) {
     };
 }
 
-export = {
+export default {
     mapNoteToPojo,
     mapBranchToPojo,
     mapAttributeToPojo,

src/etapi/validators.ts

@@ -107,7 +107,7 @@ function isValidEntityId(obj: unknown) {
     }
 }
 
-export = {
+export default {
     mandatory,
     notNull,
     isString,