Add fs_loader_path to the example generator plugin.

scripts/py_matter_idl/examples/matter_idl_plugin/__init__.py

@@ -199,13 +199,7 @@ def __init__(self, storage: GeneratorStorage, idl: Idl, **kargs):
         Inintialization is specific for java generation and will add
         filters as required by the java .jinja templates to function.
         """
-        super().__init__(storage, idl)
-
-        # Override the template path to use local templates within this plugin directory
-        self.jinja_env = jinja2.Environment(
-            loader=jinja2.FileSystemLoader(
-                searchpath=os.path.dirname(__file__)),
-            keep_trailing_newline=True)
+        super().__init__(storage, idl, fs_loader_searchpath=os.path.dirname(__file__))
 
         # String helpers
         self.jinja_env.filters['toLowerSnakeCase'] = toLowerSnakeCase
@@ -241,7 +235,7 @@ def internal_render_all(self):
 
             # Header containing a macro to initialize all cluster plugins
             self.internal_render_one_output(
-                template_path="./matter_cluster_proto.jinja",
+                template_path="matter_cluster_proto.jinja",
                 output_file_name=filename,
                 vars={
                     'cluster': cluster,