### Website or app

https://github.com/reactjs/reactjs.org/pull/4981

### Repro steps

1. Wrap something into `<Fragment key="stuff">`
2. It doesn't show up in DevTools

We filter out fragments because they tend to be useless. But this one is important! Keys are crucial and we should show anything with a key in the tree.

### How often does this bug happen?

Every time

### DevTools package (automated)

_No response_

### DevTools version (automated)

_No response_

### Error message (automated)

_No response_

### Error call stack (automated)

_No response_

### Error component stack (automated)

_No response_

### GitHub query string (automated)

_No response_
for (const id of fiberIDToErrorsMap.keys()) {
      const fiber = idToArbitraryFiberMap.get(id);
      if (fiber != null) {
        fibersWithChangedErrorOrWarningCounts.add(fiber);
        updateMostRecentlyInspectedElementIfNecessary(id);
      }
    }
    
    for (const id of fiberIDToWarningsMap.keys()) {
      const fiber = idToArbitraryFiberMap.get(id);
      if (fiber != null) {
        fibersWithChangedErrorOrWarningCounts.add(fiber);
        updateMostRecentlyInspectedElementIfNecessary(id);
      }
    }
    fiberIDToErrorsMap.clear();
    fiberIDToWarningsMap.clear();
    flushPendingEvents();
  }
  function clearMessageCountHelper(