use workspace.ignoreFolders in references

fixes pappasam#315

Author: FelipeLema

jedi_language_server/server.py

@@ -420,10 +420,11 @@ def references(
     jedi_script = jedi_utils.script(server.project, document)
     jedi_lines = jedi_utils.line_column(params.position)
     names = jedi_script.get_references(*jedi_lines)
+    ignore_folders = server.initialization_options.workspace.symbols.ignore_folders
     locations = [
         location
         for location in (jedi_utils.lsp_location(name) for name in names)
-        if location is not None
+        if location is not None and not _ignore_folder(location, ignore_folders)
     ]
     return locations if locations else None