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### What were you doing on the website or app when the bug happened?

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### Generated information

DevTools version: 4.13.1-93782cfed2

Call stack:
(none)

Component stack:
(none)

GitHub URL search query:
https://api.github.com/search/issues?q=Cannot%20add%20node%20%20because%20a%20node%20with%20that%20id%20is%20already%20in%20the%20Store.%20in%3Atitle%20is%3Aissue%20is%3Aopen%20is%3Apublic%20label%3A%22Component%3A%20Developer%20Tools%22%20repo%3Afacebook%2Freact
}
    if (a.stateNode.current === a) {
       We'
      return fiber;
    }
     Otherwise B has to be current branch.
    return alternate;
  }
   END copied code
  function prepareViewAttributeSource(
    id: number,
    path: Array<string | number>,
  ): void {
    if (isMostRecentlyInspectedElement(id)) {
      window.$attribute = getInObject(
        ((mostRecentlyInspectedElement: any): InspectedElement),
        path,
      );
    }
  }
  function prepareViewElementSource(id: number): void {
    const fiber = idToArbitraryFiberMap.get(id);
    if (fiber == null) {
      console.warn(`Could not find Fiber with id "${id}"`);
      return;
    }
    const {elementType, tag, type} = fiber;
    switch (tag) {
      case ClassComponent:
      case IncompleteClassComponent: