using a getter instead of a standard function to get the expansion state

Author: aiday-mar

src/vs/workbench/contrib/interactiveEditor/browser/interactiveEditorController.ts

@@ -556,7 +556,7 @@ export class InteractiveEditorController implements IEditorContribution {
 			this._zone.widget.updateStatus('');
 			this._zone.widget.updateMarkdownMessage(renderedMarkdown.element);
 			this._zone.widget.updateToolbar(true);
-			const expansionState = this._activeSession.newlySelected ? (this._activeSession.lastExpansionState ?? this._zone.widget.expansionState()) : this._zone.widget.expansionState();
+			const expansionState = this._activeSession.newlySelected ? (this._activeSession.lastExpansionState ?? this._zone.widget.expansionState) : this._zone.widget.expansionState;
 			this._activeSession.newlySelected = false;
 			this._activeSession.lastExpansionState = expansionState;
 			this._zone.widget.updateMarkdownMessageExpansionState(expansionState);

src/vs/workbench/contrib/interactiveEditor/browser/interactiveEditorWidget.ts

@@ -433,7 +433,7 @@ export class InteractiveEditorWidget {
 		this._onDidChangeHeight.fire();
 	}
 
-	expansionState() {
+	get expansionState(): ExpansionState {
 		return this._expansionState;
 	}