Merge pull request #9556 from camptocamp/GSGGR-117-fix-feature-loading

Allow snapping for more wfs layers

src/editing/Snapping.js

@@ -13,7 +13,7 @@ EditingSnappingService.$inject = [
 ];
 // The MIT License (MIT)
 //
-// Copyright (c) 2016-2024 Camptocamp SA
+// Copyright (c) 2016-2025 Camptocamp SA
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy of
 // this software and associated documentation files (the "Software"), to deal in
@@ -659,9 +659,13 @@ EditingSnappingService.prototype.loadItemFeatures_ = function (item) {
   const featureRequest = xmlSerializer.serializeToString(featureRequestXml);
   const url = item.wfsConfig.url;
   item.requestDeferred = this.q_.defer();
+  const headers = {
+    'Content-Type': 'text/xml',
+  };
   this.http_
     .post(url, featureRequest, {
       timeout: item.requestDeferred.promise,
+      headers: headers,
     })
     .then((response) => {
       // (1) Unset requestDeferred