1. Wait for devtools to hit an error (eg: #18934).
2. Reload the page.

Expected: Devtools reinitializes cleanly.
Actual: Error is still there. Need to hide devtools, reload _again_, then show devtools to get it to behave.

DevTools version: 4.6.0-6cceaeb67


if (selectedCommitIndex !== null) {
          if (selectedFiberID !== null) {
            sidebar = <SidebarSelectedFiberInfo />;
          } else {
            sidebar = <SidebarCommitInfo />;
          }
        }
        break;
      default:
        break;
    }
  }
  return (
    <SettingsModalContextController>
      <div className={styles.Profiler}>
        <div className={styles.LeftColumn}>
          <div className={styles.Toolbar}>
            <RecordToggle disabled={!supportsProfiling} />
            <ReloadAndProfileButton />
            <ClearProfilingDataButton />
            <ProfilingImportExportButtons />
            <div className={styles.VRule} />
            <TabBar
              currentTab={selectedTabID}