message: Consolidate disabling of history options
diff: @@ -350,17 +350,14 @@ export default class SecurityRoomSettingsTab extends React.Component<IProps, ISt
  const options = [
  {
  value: HistoryVisibility.Shared,
  - disabled: !canChangeHistory,
  label: _t('Members only (since the point in time of selecting this option)'),
  },
  {
  value: HistoryVisibility.Invited,
  - disabled: !canChangeHistory,
  label: _t('Members only (since they were invited)'),
  },
  {
  value: HistoryVisibility.Joined,
  - disabled: !canChangeHistory,
  label: _t('Members only (since they joined)'),
  },
  ];
  @@ -369,7 +366,6 @@ export default class SecurityRoomSettingsTab extends React.Component<IProps, ISt
  if (!this.state.encrypted || history === HistoryVisibility.WorldReadable) {
  options.unshift({
  value: HistoryVisibility.WorldReadable,
  - disabled: !canChangeHistory,
  label: _t("Anyone"),
  });
  }
  @@ -384,6 +380,7 @@ export default class SecurityRoomSettingsTab extends React.Component<IProps, ISt
  name="historyVis"
  value={history}
  onChange={this.onHistoryRadioToggle}
  + disabled={!canChangeHistory}
  definitions={options}
  />
  </div>
  