[BUG] Headers removed when _processDependencyListeners returns false in the dependency extension

**Description/Screenshot**
When one of the dependency listeners returns false, the includeCorrelationHeaders function, from the ajax.ts file, is removing all the headers.


**Steps to Reproduce**
1. Add a dependency listener that return false
2. make an api call adding custom headers
3. check sent headers


**Expected behavior**
It should keep all the existing headers

