Replace shouldSyncNameAndLabel with isLabelSyncedWithName (#8067)

For consistency. 
This was not deployed yet so allowing myself just to rename everything,
meaning developers will need to reset their db.

packages/twenty-server/src/engine/metadata-modules/object-metadata/dtos/object-metadata.dto.ts

@@ -84,5 +84,5 @@ export class ObjectMetadataDTO {
   imageIdentifierFieldMetadataId?: string | null;
 
   @Field()
-  shouldSyncLabelAndName: boolean;
+  isLabelSyncedWithName: boolean;
 }