message: No-op removals of widgets that don't exist
  An example of this is setting your very first widget: there's nothing to remove, so you end up with "cannot call .getContent() of undefined" instead.
diff: @@ -354,7 +354,9 @@ export default class WidgetUtils {
  if (!client) {
  throw new Error('User not logged in');
  }
  - const userWidgets = client.getAccountData('m.widgets').getContent() || {};
  + const widgets = client.getAccountData('m.widgets');
  + if (!widgets) return;
  + const userWidgets = widgets.getContent() || {};
  Object.entries(userWidgets).forEach(([key, widget]) => {
  if (widget.content && widget.content.type === "m.integration_manager") {
  delete userWidgets[key];
  @@ -382,7 +384,9 @@ export default class WidgetUtils {
  if (!client) {
  throw new Error('User not logged in');
  }
  - const userWidgets = client.getAccountData('m.widgets').getContent() || {};
  + const widgets = client.getAccountData('m.widgets');
  + if (!widgets) return;
  + const userWidgets = widgets.getContent() || {};
  Object.entries(userWidgets).forEach(([key, widget]) => {
  if (widget.content && widget.content.type === 'm.stickerpicker') {
  delete userWidgets[key];
  