fix: update the extension if condition (#299)

Co-authored-by: Roberto Pastor Muela <[email protected]>

src/ansys_sphinx_theme/extension/linkcode.py

@@ -227,19 +227,18 @@ def link_code(app: Sphinx, doctree: Node):
 
             # Call user code to resolve the link
             try:
+                # Resolve the URI for source code link
                 uri = sphinx_linkcode_resolve(
                     domain=domain,
                     info=info,
                     library=library,
                     source_path=github_source,
                     github_version=github_version,
                 )
-                if not uri:
-                    # no source
-                    continue
 
-                if uri in uris or not uri:
-                    # only one link per name, please
+                # Check if the URI is already processed
+                if not uri or uri in uris:
+                    # Skip processing if the URI is already in the set
                     continue
                 uris.add(uri)