hotfix: enable retainContextWhenHidden

Author: ahmed-dj

out/panels/ProteinViewerPanel.js

@@ -32,7 +32,8 @@ export class ProteinViewerPanel {
     const fnames = clickedFiles.map((clickedFile) => clickedFile.path.split('/').pop());
     const windowName = "Protein Viewer - " + fnames.join(" - ");
     const panel = vscode.window.createWebviewPanel("proteinviewer", windowName, vscode.ViewColumn.One, {
-      enableScripts: true
+      enableScripts: true,
+      retainContextWhenHidden: true
     });
 
     ProteinViewerPanel.currentPanel = new ProteinViewerPanel(panel, extensionUri, undefined, clickedFiles);