Fix 'WorkspaceConfiguration' request with empty configuration section strings

helix-term/src/application.rs

@@ -1058,10 +1058,13 @@ impl Application {
                             .filter_map(|item| {
                                 let mut config = language_server.config()?;
                                 if let Some(section) = item.section.as_ref() {
+                                    // for some reason some lsps send an empty string (observed in 'vscode-eslint-language-server')
+                                    if !section.is_empty() {
                                         for part in section.split('.') {
                                             config = config.get(part)?;
                                         }
                                     }
+                                }
                                 Some(config)
                             })
                             .collect();