fix: do not redeclare IEditor interface

Author: Loïc Mangeonjean

rollup/rollup.types.config.ts

@@ -20,6 +20,7 @@ const DIST_DIR = path.join(__dirname, '../dist')
 const interfaceOverride = new Map<string, string>()
 interfaceOverride.set('Event<T>', 'vscode.Event<T>')
 interfaceOverride.set('ICodeEditor', 'monaco.editor.ICodeEditor')
+interfaceOverride.set('IEditor', 'monaco.editor.IEditor')
 interfaceOverride.set('URI', 'monaco.Uri')
 interfaceOverride.set('ITextModel', 'monaco.editor.ITextModel')
 interfaceOverride.set('vs/editor/common/config/editorOptions:IEditorOptions', 'monaco.editor.IEditorOptions')