message: Only reveal tree structure if already visible
diff: @@ -320,7 +320,7 @@ export class StructureTreeView {
  }
  showCursorIteme(e: vscode.TextEditorSelectionChangeEvent) {
  - if (! this._followCursor) {
  + if (!this._followCursor || !this._viewer.visible) {
  return
  }
  const line = e.selections[0].active.line
  